diff --git a/lib/extractor/index.ts b/lib/extractor/index.ts
index 031c2fe6..4a453f90 100644
--- a/lib/extractor/index.ts
+++ b/lib/extractor/index.ts
@@ -228,7 +228,7 @@ function layersWithLatestFileModifications(
       // if finding a deleted file - trimming to its original file name for excluding it from extractedLayers
       // + not adding this file
       if (isWhitedOutFile(filename)) {
-        removedFilesToIgnore.add(filename.replace(/.wh./, ""));
+        removedFilesToIgnore.add(removeWhiteoutPrefix(filename));
         continue;
       }
       // not adding previously found to be whited out files to extractedLayers
@@ -248,8 +248,32 @@ function layersWithLatestFileModifications(
   return extractedLayers;
 }
 
+/**
+ * check if a file is 'whited out', which is shown by
+ * prefixing the filename with a .wh.
+ * https://www.madebymikal.com/interpreting-whiteout-files-in-docker-image-layers
+ * https://github.com/opencontainers/image-spec/blob/main/layer.md#whiteouts
+ */
 export function isWhitedOutFile(filename: string) {
-  return filename.match(/.wh./gm);
+  const lastSlashIndex = filename.lastIndexOf("/");
+
+  if (lastSlashIndex === -1) {
+    // it's a file name, not a path
+    return filename.startsWith(".wh.");
+  } else {
+    // it's a path, so check the last part
+    const filenameToCheck = filename.substring(lastSlashIndex + 1);
+    return filenameToCheck.startsWith(".wh.");
+  }
+}
+
+/**
+ * Remove the .wh. prefix from a whiteout file to get the original filename
+ */
+export function removeWhiteoutPrefix(filename: string): string {
+  // Replace .wh. that appears at the start or after the last slash,
+  // and ensure no slashes come after .wh.
+  return filename.replace(/^(.*\/)?\.wh\.([^\/]*)$/, "$1$2");
 }
 
 function isBufferType(type: FileContent): type is Buffer {
diff --git a/test/lib/extractor/index.spec.ts b/test/lib/extractor/index.spec.ts
index ad9ed146..82612489 100644
--- a/test/lib/extractor/index.spec.ts
+++ b/test/lib/extractor/index.spec.ts
@@ -1,4 +1,8 @@
-import { getContentAsString } from "../../../lib/extractor";
+import {
+  getContentAsString,
+  isWhitedOutFile,
+  removeWhiteoutPrefix,
+} from "../../../lib/extractor";
 import { ExtractAction, ExtractedLayers } from "../../../lib/extractor/types";
 
 describe("index", () => {
@@ -18,3 +22,89 @@ describe("index", () => {
     expect(result).toEqual("Hello, world!");
   });
 });
+
+describe("isWhitedOutFile", () => {
+  test("should return true for files containing .wh. in their path", () => {
+    expect(isWhitedOutFile("/etc/.wh.hosts")).toBe(true);
+    expect(isWhitedOutFile("/var/lib/.wh.data")).toBe(true);
+    expect(isWhitedOutFile("/.wh.config")).toBe(true);
+  });
+
+  test("should return false for files not containing .wh.", () => {
+    expect(isWhitedOutFile("/etc/hosts")).toBe(false);
+    expect(isWhitedOutFile("")).toBe(false);
+    expect(isWhitedOutFile("/")).toBe(false);
+  });
+
+  test("should return false for similar but different patterns", () => {
+    // make sure the dots are literal and not match all
+    expect(isWhitedOutFile("/etc/wh.hosts")).toBe(false);
+    expect(isWhitedOutFile("/etc/.whosts")).toBe(false);
+    expect(isWhitedOutFile("/etc/whhosts")).toBe(false);
+
+    // dots in wrong places
+    expect(isWhitedOutFile("/etc/.w.h.hosts")).toBe(false);
+    expect(isWhitedOutFile("/etc/..wh..hosts")).toBe(false);
+
+    // case sensitive
+    expect(isWhitedOutFile("/etc/.WH.hosts")).toBe(false);
+    expect(isWhitedOutFile("/etc/.Wh.hosts")).toBe(false);
+  });
+
+  test("should handle .wh. at different positions", () => {
+    expect(isWhitedOutFile(".wh.start")).toBe(true);
+    expect(isWhitedOutFile("middle.wh.file")).toBe(false);
+    expect(isWhitedOutFile("end.wh.")).toBe(false);
+    expect(isWhitedOutFile("/deeply/nested/path/.wh.present")).toBe(true);
+    expect(isWhitedOutFile("/the/.wh./in/path/present")).toBe(false);
+  });
+});
+
+describe("removeWhiteoutPrefix", () => {
+  test("should remove .wh. prefix from filenames without slashes", () => {
+    expect(removeWhiteoutPrefix(".wh.hosts")).toBe("hosts");
+    expect(removeWhiteoutPrefix(".wh.data")).toBe("data");
+    expect(removeWhiteoutPrefix(".wh.config")).toBe("config");
+    expect(removeWhiteoutPrefix(".wh.")).toBe("");
+    expect(removeWhiteoutPrefix(".wh.file.txt")).toBe("file.txt");
+  });
+
+  test("should remove .wh. prefix after the last slash in paths", () => {
+    expect(removeWhiteoutPrefix("/etc/.wh.hosts")).toBe("/etc/hosts");
+    expect(removeWhiteoutPrefix("/var/lib/.wh.data")).toBe("/var/lib/data");
+    expect(removeWhiteoutPrefix("/.wh.config")).toBe("/config");
+    expect(removeWhiteoutPrefix("/deeply/nested/path/.wh.present")).toBe(
+      "/deeply/nested/path/present",
+    );
+    expect(removeWhiteoutPrefix("/path/to/.wh.")).toBe("/path/to/");
+  });
+
+  test("should not modify files that don't have .wh. prefix in the correct position", () => {
+    expect(removeWhiteoutPrefix("normal.file")).toBe("normal.file");
+    expect(removeWhiteoutPrefix("/etc/hosts")).toBe("/etc/hosts");
+    expect(removeWhiteoutPrefix("middle.wh.file")).toBe("middle.wh.file");
+    expect(removeWhiteoutPrefix("/path/middle.wh.file")).toBe(
+      "/path/middle.wh.file",
+    );
+    expect(removeWhiteoutPrefix(".whfile")).toBe(".whfile");
+    expect(removeWhiteoutPrefix("/path/.whfile")).toBe("/path/.whfile");
+    expect(removeWhiteoutPrefix("/xwh.txt")).toBe("/xwh.txt");
+  });
+
+  test("should handle edge cases", () => {
+    expect(removeWhiteoutPrefix("")).toBe("");
+    expect(removeWhiteoutPrefix("/")).toBe("/");
+    expect(removeWhiteoutPrefix("//")).toBe("//");
+    expect(removeWhiteoutPrefix("/.wh.")).toBe("/");
+    expect(removeWhiteoutPrefix("//.wh.test")).toBe("//test");
+  });
+
+  test("should not remove .wh. that appears in the middle of paths", () => {
+    expect(removeWhiteoutPrefix("/the/.wh./in/path/file")).toBe(
+      "/the/.wh./in/path/file",
+    );
+    expect(removeWhiteoutPrefix("/path/.wh.dir/.wh.file")).toBe(
+      "/path/.wh.dir/file",
+    );
+  });
+});
diff --git a/test/system/application-scans/__snapshots__/node.spec.ts.snap b/test/system/application-scans/__snapshots__/node.spec.ts.snap
index 38f05cb0..875e2be0 100644
--- a/test/system/application-scans/__snapshots__/node.spec.ts.snap
+++ b/test/system/application-scans/__snapshots__/node.spec.ts.snap
@@ -55967,11 +55967,6 @@ Array [
                 "nodeId": "is-cidr@3.0.0",
                 "pkgId": "is-cidr@3.0.0",
               },
-              Object {
-                "deps": Array [],
-                "nodeId": "isexe@2.0.0",
-                "pkgId": "isexe@2.0.0",
-              },
               Object {
                 "deps": Array [],
                 "nodeId": "lazy-property@1.0.0",
@@ -56605,6 +56600,20 @@ Array [
                 "nodeId": "tar@4.4.13",
                 "pkgId": "tar@4.4.13",
               },
+              Object {
+                "deps": Array [],
+                "nodeId": "isexe@2.0.0",
+                "pkgId": "isexe@2.0.0",
+              },
+              Object {
+                "deps": Array [
+                  Object {
+                    "nodeId": "isexe@2.0.0",
+                  },
+                ],
+                "nodeId": "which@1.3.1",
+                "pkgId": "which@1.3.1",
+              },
               Object {
                 "deps": Array [
                   Object {
@@ -56637,6 +56646,9 @@ Array [
                   Object {
                     "nodeId": "tar@4.4.13",
                   },
+                  Object {
+                    "nodeId": "which@1.3.1",
+                  },
                 ],
                 "nodeId": "node-gyp@5.1.0",
                 "pkgId": "node-gyp@5.1.0",
@@ -56679,6 +56691,9 @@ Array [
                   Object {
                     "nodeId": "umask@1.1.0",
                   },
+                  Object {
+                    "nodeId": "which@1.3.1",
+                  },
                 ],
                 "nodeId": "npm-lifecycle@3.1.4",
                 "pkgId": "npm-lifecycle@3.1.4",
@@ -57106,6 +57121,9 @@ Array [
                   Object {
                     "nodeId": "unique-filename@1.1.1",
                   },
+                  Object {
+                    "nodeId": "which@1.3.1",
+                  },
                 ],
                 "nodeId": "pacote@9.5.12",
                 "pkgId": "pacote@9.5.12",
@@ -57584,6 +57602,9 @@ Array [
                   Object {
                     "nodeId": "shebang-command@1.2.0",
                   },
+                  Object {
+                    "nodeId": "which@1.3.1",
+                  },
                 ],
                 "nodeId": "cross-spawn@5.1.0",
                 "pkgId": "cross-spawn@5.1.0",
@@ -58137,6 +58158,9 @@ Array [
                   Object {
                     "nodeId": "shebang-command@1.2.0",
                   },
+                  Object {
+                    "nodeId": "which@1.3.1",
+                  },
                 ],
                 "nodeId": "cross-spawn@6.0.5",
                 "pkgId": "cross-spawn@6.0.5",
@@ -58246,6 +58270,11 @@ Array [
                 "nodeId": "require-main-filename@1.0.1",
                 "pkgId": "require-main-filename@1.0.1",
               },
+              Object {
+                "deps": Array [],
+                "nodeId": "which-module@2.0.0",
+                "pkgId": "which-module@2.0.0",
+              },
               Object {
                 "deps": Array [],
                 "nodeId": "y18n@3.2.1",
@@ -58289,6 +58318,9 @@ Array [
                   Object {
                     "nodeId": "string-width@2.1.1",
                   },
+                  Object {
+                    "nodeId": "which-module@2.0.0",
+                  },
                   Object {
                     "nodeId": "y18n@3.2.1",
                   },
@@ -58316,6 +58348,9 @@ Array [
                   Object {
                     "nodeId": "update-notifier@2.5.0",
                   },
+                  Object {
+                    "nodeId": "which@1.3.1",
+                  },
                   Object {
                     "nodeId": "y18n@4.0.0",
                   },
@@ -58913,9 +58948,6 @@ Array [
                   Object {
                     "nodeId": "is-cidr@3.0.0",
                   },
-                  Object {
-                    "nodeId": "isexe@2.0.0",
-                  },
                   Object {
                     "nodeId": "json-parse-better-errors@1.0.2",
                   },
@@ -59153,6 +59185,9 @@ Array [
                   Object {
                     "nodeId": "validate-npm-package-name@3.0.0",
                   },
+                  Object {
+                    "nodeId": "which@1.3.1",
+                  },
                   Object {
                     "nodeId": "worker-farm@1.7.0",
                   },
@@ -60080,13 +60115,6 @@ Array [
                 "version": "3.0.0",
               },
             },
-            Object {
-              "id": "isexe@2.0.0",
-              "info": Object {
-                "name": "isexe",
-                "version": "2.0.0",
-              },
-            },
             Object {
               "id": "lazy-property@1.0.0",
               "info": Object {
@@ -60542,6 +60570,20 @@ Array [
                 "version": "4.4.13",
               },
             },
+            Object {
+              "id": "isexe@2.0.0",
+              "info": Object {
+                "name": "isexe",
+                "version": "2.0.0",
+              },
+            },
+            Object {
+              "id": "which@1.3.1",
+              "info": Object {
+                "name": "which",
+                "version": "1.3.1",
+              },
+            },
             Object {
               "id": "node-gyp@5.1.0",
               "info": Object {
@@ -61550,6 +61592,13 @@ Array [
                 "version": "1.0.1",
               },
             },
+            Object {
+              "id": "which-module@2.0.0",
+              "info": Object {
+                "name": "which-module",
+                "version": "2.0.0",
+              },
+            },
             Object {
               "id": "y18n@3.2.1",
               "info": Object {
diff --git a/test/system/application-scans/node.spec.ts b/test/system/application-scans/node.spec.ts
index a36682d0..10065cb6 100644
--- a/test/system/application-scans/node.spec.ts
+++ b/test/system/application-scans/node.spec.ts
@@ -234,7 +234,7 @@ describe("node application scans", () => {
     const result = await extractContent([getNodeAppFileContentAction], {
       path: imageNameAndTag,
     });
-    expect(Object.keys(result.extractedLayers).length).toEqual(608);
+    expect(Object.keys(result.extractedLayers).length).toEqual(610);
     Object.keys(result.extractedLayers).forEach((fileName) => {
       expect(
         fileName.endsWith("/package.json") ||
diff --git a/test/system/operating-systems/__snapshots__/ubi8.spec.ts.snap b/test/system/operating-systems/__snapshots__/ubi8.spec.ts.snap
index 8e5d371d..0f973fea 100644
--- a/test/system/operating-systems/__snapshots__/ubi8.spec.ts.snap
+++ b/test/system/operating-systems/__snapshots__/ubi8.spec.ts.snap
@@ -7375,11 +7375,6 @@ Object {
                   "nodeId": "ignore-by-default@1.0.1",
                   "pkgId": "ignore-by-default@1.0.1",
                 },
-                Object {
-                  "deps": Array [],
-                  "nodeId": "isexe@2.0.0",
-                  "pkgId": "isexe@2.0.0",
-                },
                 Object {
                   "deps": Array [],
                   "nodeId": "duplexer@0.1.1",
@@ -7666,6 +7661,20 @@ Object {
                   "nodeId": "shebang-command@1.2.0",
                   "pkgId": "shebang-command@1.2.0",
                 },
+                Object {
+                  "deps": Array [],
+                  "nodeId": "isexe@2.0.0",
+                  "pkgId": "isexe@2.0.0",
+                },
+                Object {
+                  "deps": Array [
+                    Object {
+                      "nodeId": "isexe@2.0.0",
+                    },
+                  ],
+                  "nodeId": "which@1.3.0",
+                  "pkgId": "which@1.3.0",
+                },
                 Object {
                   "deps": Array [
                     Object {
@@ -7674,6 +7683,9 @@ Object {
                     Object {
                       "nodeId": "shebang-command@1.2.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.0",
+                    },
                   ],
                   "nodeId": "cross-spawn@5.1.0|1",
                   "pkgId": "cross-spawn@5.1.0",
@@ -7686,6 +7698,9 @@ Object {
                     Object {
                       "nodeId": "shebang-command@1.2.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "cross-spawn@5.1.0|2",
                   "pkgId": "cross-spawn@5.1.0",
@@ -8320,9 +8335,6 @@ Object {
                     Object {
                       "nodeId": "ignore-by-default@1.0.1",
                     },
-                    Object {
-                      "nodeId": "isexe@2.0.0",
-                    },
                     Object {
                       "nodeId": "minimatch@3.0.4|1",
                     },
@@ -10112,6 +10124,15 @@ Object {
                   "nodeId": "tar@4.4.13",
                   "pkgId": "tar@4.4.13",
                 },
+                Object {
+                  "deps": Array [
+                    Object {
+                      "nodeId": "isexe@2.0.0",
+                    },
+                  ],
+                  "nodeId": "which@1.3.1",
+                  "pkgId": "which@1.3.1",
+                },
                 Object {
                   "deps": Array [
                     Object {
@@ -10144,6 +10165,9 @@ Object {
                     Object {
                       "nodeId": "tar@4.4.13",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "node-gyp@5.1.0",
                   "pkgId": "node-gyp@5.1.0",
@@ -10186,6 +10210,9 @@ Object {
                     Object {
                       "nodeId": "umask@1.1.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "npm-lifecycle@3.1.4",
                   "pkgId": "npm-lifecycle@3.1.4",
@@ -10599,6 +10626,9 @@ Object {
                     Object {
                       "nodeId": "unique-filename@1.1.1",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "pacote@9.5.12",
                   "pkgId": "pacote@9.5.12",
@@ -11239,6 +11269,9 @@ Object {
                     Object {
                       "nodeId": "shebang-command@1.2.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "cross-spawn@6.0.5",
                   "pkgId": "cross-spawn@6.0.5",
@@ -11348,6 +11381,11 @@ Object {
                   "nodeId": "require-main-filename@1.0.1",
                   "pkgId": "require-main-filename@1.0.1",
                 },
+                Object {
+                  "deps": Array [],
+                  "nodeId": "which-module@2.0.0",
+                  "pkgId": "which-module@2.0.0",
+                },
                 Object {
                   "deps": Array [],
                   "nodeId": "y18n@3.2.1",
@@ -11391,6 +11429,9 @@ Object {
                     Object {
                       "nodeId": "string-width@2.1.1",
                     },
+                    Object {
+                      "nodeId": "which-module@2.0.0",
+                    },
                     Object {
                       "nodeId": "y18n@3.2.1",
                     },
@@ -11418,6 +11459,9 @@ Object {
                     Object {
                       "nodeId": "update-notifier@2.5.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                     Object {
                       "nodeId": "y18n@4.0.0",
                     },
@@ -12010,9 +12054,6 @@ Object {
                     Object {
                       "nodeId": "is-cidr@3.0.0",
                     },
-                    Object {
-                      "nodeId": "isexe@2.0.0",
-                    },
                     Object {
                       "nodeId": "json-parse-better-errors@1.0.2",
                     },
@@ -12250,6 +12291,9 @@ Object {
                     Object {
                       "nodeId": "validate-npm-package-name@3.0.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                     Object {
                       "nodeId": "worker-farm@1.7.0",
                     },
@@ -13079,13 +13123,6 @@ Object {
                   "version": "1.0.1",
                 },
               },
-              Object {
-                "id": "isexe@2.0.0",
-                "info": Object {
-                  "name": "isexe",
-                  "version": "2.0.0",
-                },
-              },
               Object {
                 "id": "duplexer@0.1.1",
                 "info": Object {
@@ -13338,6 +13375,20 @@ Object {
                   "version": "1.2.0",
                 },
               },
+              Object {
+                "id": "isexe@2.0.0",
+                "info": Object {
+                  "name": "isexe",
+                  "version": "2.0.0",
+                },
+              },
+              Object {
+                "id": "which@1.3.0",
+                "info": Object {
+                  "name": "which",
+                  "version": "1.3.0",
+                },
+              },
               Object {
                 "id": "cross-spawn@5.1.0",
                 "info": Object {
@@ -14934,6 +14985,13 @@ Object {
                   "version": "4.4.13",
                 },
               },
+              Object {
+                "id": "which@1.3.1",
+                "info": Object {
+                  "name": "which",
+                  "version": "1.3.1",
+                },
+              },
               Object {
                 "id": "node-gyp@5.1.0",
                 "info": Object {
@@ -15606,6 +15664,13 @@ Object {
                   "version": "1.0.1",
                 },
               },
+              Object {
+                "id": "which-module@2.0.0",
+                "info": Object {
+                  "name": "which-module",
+                  "version": "2.0.0",
+                },
+              },
               Object {
                 "id": "y18n@3.2.1",
                 "info": Object {
diff --git a/test/system/registry-authentication/__snapshots__/username-password.spec.ts.snap b/test/system/registry-authentication/__snapshots__/username-password.spec.ts.snap
index 12d558c9..f5d1810e 100644
--- a/test/system/registry-authentication/__snapshots__/username-password.spec.ts.snap
+++ b/test/system/registry-authentication/__snapshots__/username-password.spec.ts.snap
@@ -1740,11 +1740,6 @@ Object {
                   "nodeId": "is-cidr@2.0.6",
                   "pkgId": "is-cidr@2.0.6",
                 },
-                Object {
-                  "deps": Array [],
-                  "nodeId": "isexe@2.0.0",
-                  "pkgId": "isexe@2.0.0",
-                },
                 Object {
                   "deps": Array [],
                   "nodeId": "lazy-property@1.0.0",
@@ -2360,6 +2355,20 @@ Object {
                   "nodeId": "tar@2.2.1",
                   "pkgId": "tar@2.2.1",
                 },
+                Object {
+                  "deps": Array [],
+                  "nodeId": "isexe@2.0.0",
+                  "pkgId": "isexe@2.0.0",
+                },
+                Object {
+                  "deps": Array [
+                    Object {
+                      "nodeId": "isexe@2.0.0",
+                    },
+                  ],
+                  "nodeId": "which@1.3.1",
+                  "pkgId": "which@1.3.1",
+                },
                 Object {
                   "deps": Array [
                     Object {
@@ -2395,6 +2404,9 @@ Object {
                     Object {
                       "nodeId": "tar@2.2.1",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "node-gyp@3.8.0",
                   "pkgId": "node-gyp@3.8.0",
@@ -2437,6 +2449,9 @@ Object {
                     Object {
                       "nodeId": "umask@1.1.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "npm-lifecycle@2.1.0",
                   "pkgId": "npm-lifecycle@2.1.0",
@@ -2878,6 +2893,9 @@ Object {
                     Object {
                       "nodeId": "unique-filename@1.1.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "pacote@8.1.6",
                   "pkgId": "pacote@8.1.6",
@@ -3089,6 +3107,9 @@ Object {
                     Object {
                       "nodeId": "shebang-command@1.2.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "cross-spawn@5.1.0",
                   "pkgId": "cross-spawn@5.1.0",
@@ -3676,6 +3697,11 @@ Object {
                   "nodeId": "require-main-filename@1.0.1",
                   "pkgId": "require-main-filename@1.0.1",
                 },
+                Object {
+                  "deps": Array [],
+                  "nodeId": "which-module@2.0.0",
+                  "pkgId": "which-module@2.0.0",
+                },
                 Object {
                   "deps": Array [],
                   "nodeId": "y18n@3.2.1",
@@ -3719,6 +3745,9 @@ Object {
                     Object {
                       "nodeId": "string-width@2.1.1",
                     },
+                    Object {
+                      "nodeId": "which-module@2.0.0",
+                    },
                     Object {
                       "nodeId": "y18n@3.2.1",
                     },
@@ -3746,6 +3775,9 @@ Object {
                     Object {
                       "nodeId": "update-notifier@2.5.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                     Object {
                       "nodeId": "y18n@4.0.0",
                     },
@@ -4462,9 +4494,6 @@ Object {
                     Object {
                       "nodeId": "is-cidr@2.0.6",
                     },
-                    Object {
-                      "nodeId": "isexe@2.0.0",
-                    },
                     Object {
                       "nodeId": "json-parse-better-errors@1.0.2",
                     },
@@ -4687,6 +4716,9 @@ Object {
                     Object {
                       "nodeId": "validate-npm-package-name@3.0.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                     Object {
                       "nodeId": "worker-farm@1.6.0",
                     },
@@ -5607,13 +5639,6 @@ Object {
                   "version": "2.0.6",
                 },
               },
-              Object {
-                "id": "isexe@2.0.0",
-                "info": Object {
-                  "name": "isexe",
-                  "version": "2.0.0",
-                },
-              },
               Object {
                 "id": "lazy-property@1.0.0",
                 "info": Object {
@@ -6062,6 +6087,20 @@ Object {
                   "version": "2.2.1",
                 },
               },
+              Object {
+                "id": "isexe@2.0.0",
+                "info": Object {
+                  "name": "isexe",
+                  "version": "2.0.0",
+                },
+              },
+              Object {
+                "id": "which@1.3.1",
+                "info": Object {
+                  "name": "which",
+                  "version": "1.3.1",
+                },
+              },
               Object {
                 "id": "node-gyp@3.8.0",
                 "info": Object {
@@ -6937,6 +6976,13 @@ Object {
                   "version": "1.0.1",
                 },
               },
+              Object {
+                "id": "which-module@2.0.0",
+                "info": Object {
+                  "name": "which-module",
+                  "version": "2.0.0",
+                },
+              },
               Object {
                 "id": "y18n@3.2.1",
                 "info": Object {
@@ -9123,11 +9169,6 @@ Object {
                   "nodeId": "is-cidr@2.0.6",
                   "pkgId": "is-cidr@2.0.6",
                 },
-                Object {
-                  "deps": Array [],
-                  "nodeId": "isexe@2.0.0",
-                  "pkgId": "isexe@2.0.0",
-                },
                 Object {
                   "deps": Array [],
                   "nodeId": "lazy-property@1.0.0",
@@ -9743,6 +9784,20 @@ Object {
                   "nodeId": "tar@2.2.1",
                   "pkgId": "tar@2.2.1",
                 },
+                Object {
+                  "deps": Array [],
+                  "nodeId": "isexe@2.0.0",
+                  "pkgId": "isexe@2.0.0",
+                },
+                Object {
+                  "deps": Array [
+                    Object {
+                      "nodeId": "isexe@2.0.0",
+                    },
+                  ],
+                  "nodeId": "which@1.3.1",
+                  "pkgId": "which@1.3.1",
+                },
                 Object {
                   "deps": Array [
                     Object {
@@ -9778,6 +9833,9 @@ Object {
                     Object {
                       "nodeId": "tar@2.2.1",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "node-gyp@3.8.0",
                   "pkgId": "node-gyp@3.8.0",
@@ -9820,6 +9878,9 @@ Object {
                     Object {
                       "nodeId": "umask@1.1.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "npm-lifecycle@2.1.0",
                   "pkgId": "npm-lifecycle@2.1.0",
@@ -10261,6 +10322,9 @@ Object {
                     Object {
                       "nodeId": "unique-filename@1.1.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "pacote@8.1.6",
                   "pkgId": "pacote@8.1.6",
@@ -10472,6 +10536,9 @@ Object {
                     Object {
                       "nodeId": "shebang-command@1.2.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                   ],
                   "nodeId": "cross-spawn@5.1.0",
                   "pkgId": "cross-spawn@5.1.0",
@@ -11059,6 +11126,11 @@ Object {
                   "nodeId": "require-main-filename@1.0.1",
                   "pkgId": "require-main-filename@1.0.1",
                 },
+                Object {
+                  "deps": Array [],
+                  "nodeId": "which-module@2.0.0",
+                  "pkgId": "which-module@2.0.0",
+                },
                 Object {
                   "deps": Array [],
                   "nodeId": "y18n@3.2.1",
@@ -11102,6 +11174,9 @@ Object {
                     Object {
                       "nodeId": "string-width@2.1.1",
                     },
+                    Object {
+                      "nodeId": "which-module@2.0.0",
+                    },
                     Object {
                       "nodeId": "y18n@3.2.1",
                     },
@@ -11129,6 +11204,9 @@ Object {
                     Object {
                       "nodeId": "update-notifier@2.5.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                     Object {
                       "nodeId": "y18n@4.0.0",
                     },
@@ -11845,9 +11923,6 @@ Object {
                     Object {
                       "nodeId": "is-cidr@2.0.6",
                     },
-                    Object {
-                      "nodeId": "isexe@2.0.0",
-                    },
                     Object {
                       "nodeId": "json-parse-better-errors@1.0.2",
                     },
@@ -12070,6 +12145,9 @@ Object {
                     Object {
                       "nodeId": "validate-npm-package-name@3.0.0",
                     },
+                    Object {
+                      "nodeId": "which@1.3.1",
+                    },
                     Object {
                       "nodeId": "worker-farm@1.6.0",
                     },
@@ -12990,13 +13068,6 @@ Object {
                   "version": "2.0.6",
                 },
               },
-              Object {
-                "id": "isexe@2.0.0",
-                "info": Object {
-                  "name": "isexe",
-                  "version": "2.0.0",
-                },
-              },
               Object {
                 "id": "lazy-property@1.0.0",
                 "info": Object {
@@ -13445,6 +13516,20 @@ Object {
                   "version": "2.2.1",
                 },
               },
+              Object {
+                "id": "isexe@2.0.0",
+                "info": Object {
+                  "name": "isexe",
+                  "version": "2.0.0",
+                },
+              },
+              Object {
+                "id": "which@1.3.1",
+                "info": Object {
+                  "name": "which",
+                  "version": "1.3.1",
+                },
+              },
               Object {
                 "id": "node-gyp@3.8.0",
                 "info": Object {
@@ -14320,6 +14405,13 @@ Object {
                   "version": "1.0.1",
                 },
               },
+              Object {
+                "id": "which-module@2.0.0",
+                "info": Object {
+                  "name": "which-module",
+                  "version": "2.0.0",
+                },
+              },
               Object {
                 "id": "y18n@3.2.1",
                 "info": Object {
diff --git a/test/system/registry-authentication/username-password.spec.ts b/test/system/registry-authentication/username-password.spec.ts
index 348b58ea..5abd991f 100644
--- a/test/system/registry-authentication/username-password.spec.ts
+++ b/test/system/registry-authentication/username-password.spec.ts
@@ -10,7 +10,7 @@ describe("username and password authentication", () => {
       process.env.SNYK_REGISTRY_USERNAME = oldSnykRegistryUsernameEnvVar;
     }
     if (oldSnykRegistryPasswordEnvVar !== undefined) {
-      process.env.SNYK_REGISTRY_PASSWPRD = oldSnykRegistryPasswordEnvVar;
+      process.env.SNYK_REGISTRY_PASSWORD = oldSnykRegistryPasswordEnvVar;
     }
   });