diff --git a/build-logic/src/main/java/com/android/ndk/samples/buildlogic/AndroidApplicationConventionPlugin.kt b/build-logic/src/main/java/com/android/ndk/samples/buildlogic/AndroidApplicationConventionPlugin.kt
index 80085c899..8bb7424e7 100644
--- a/build-logic/src/main/java/com/android/ndk/samples/buildlogic/AndroidApplicationConventionPlugin.kt
+++ b/build-logic/src/main/java/com/android/ndk/samples/buildlogic/AndroidApplicationConventionPlugin.kt
@@ -30,7 +30,7 @@ class AndroidApplicationConventionPlugin : Plugin<Project> {
                     externalNativeBuild {
                         cmake {
                             arguments.add("-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON")
-                            arguments.add("-DCMAKE_MODULE_PATH=${rootDir.resolve("cmake")}")
+                            arguments.add("-DCMAKE_MODULE_PATH=${rootDir.resolve("cmake").path.replace('\\', '/')}")
                         }
                     }
 
diff --git a/build-logic/src/main/java/com/android/ndk/samples/buildlogic/AndroidLibraryConventionPlugin.kt b/build-logic/src/main/java/com/android/ndk/samples/buildlogic/AndroidLibraryConventionPlugin.kt
index c697c99e6..fdcea65b1 100644
--- a/build-logic/src/main/java/com/android/ndk/samples/buildlogic/AndroidLibraryConventionPlugin.kt
+++ b/build-logic/src/main/java/com/android/ndk/samples/buildlogic/AndroidLibraryConventionPlugin.kt
@@ -33,7 +33,7 @@ class AndroidLibraryConventionPlugin : Plugin<Project> {
                     externalNativeBuild {
                         cmake {
                             arguments.add("-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON")
-                            arguments.add("-DCMAKE_MODULE_PATH=${rootDir.resolve("cmake")}")
+                            arguments.add("-DCMAKE_MODULE_PATH=${rootDir.resolve("cmake").path.replace('\\', '/')}")
                         }
                     }
                     ndk {