diff --git a/src/resourceshrinker/java/com/android/build/shrinker/ResourceTableUtil.kt b/src/resourceshrinker/java/com/android/build/shrinker/ResourceTableUtil.kt
index 88bb5e4..e81c951 100644
--- a/src/resourceshrinker/java/com/android/build/shrinker/ResourceTableUtil.kt
+++ b/src/resourceshrinker/java/com/android/build/shrinker/ResourceTableUtil.kt
@@ -111,7 +111,7 @@
 private fun packageIdFromIdentifier(
     identifier: Int
 ): Int =
-    identifier shr 24
+    identifier ushr 24
 
 private fun typeIdFromIdentifier(
     identifier: Int