diff --git a/build.gradle b/build.gradle
index b797793f..d37533b2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -132,8 +132,8 @@ publishing {
                 name = "Snapshots" //  optional target repository name
                 url = "https://aws.oss.sonatype.org/content/repositories/snapshots"
                 credentials {
-                    username "$System.env.SONATYPE_USERNAME"
-                    password "$System.env.SONATYPE_PASSWORD"
+                    username System.getenv("SONATYPE_USERNAME")
+                    password System.getenv("SONATYPE_PASSWORD")
                 }
             }
         }