diff --git a/aosp/frameworks/base/core/res/Android.mk b/aosp/frameworks/base/core/res/Android.mk
index a1bef8326fb7c670ae886cc82b06e9deefc6dc88..4f58d46666efc585ec9dcb59f302dcd9680b680b 100644
--- a/aosp/frameworks/base/core/res/Android.mk
+++ b/aosp/frameworks/base/core/res/Android.mk
@@ -23,7 +23,7 @@ LOCAL_CERTIFICATE := platform
 # Tell aapt to create "extending (non-application)" resource IDs,
 # since these resources will be used by many apps.
 LOCAL_AAPT_FLAGS := -x
-LOCAL_AAPT_FLAGS += --private-symbols com.android.internal
+LOCAL_AAPT_FLAGS += --private-symbols com.android.internal --auto-add-overlay
 
 LOCAL_MODULE_TAGS := optional