diff --git a/test-mock/Android.bp b/test-mock/Android.bp
index b83bce6..107292c 100644
--- a/test-mock/Android.bp
+++ b/test-mock/Android.bp
@@ -29,7 +29,7 @@
     name: "android.test.mock",
 
     srcs: [
-        "src/**/*.java",
+        ":android-test-mock-sources",
         // Note: Below are NOT APIs of this library. We only take APIs under
         // the android.test.mock package. They however provide private APIs that
         // android.test.mock APIs references to.
@@ -61,3 +61,9 @@
         "api/current.txt",
     ],
 }
+
+filegroup {
+    name: "android-test-mock-sources",
+    srcs: ["src/**/*.java"],
+    path: "src",
+}