diff --git a/cm/res/Android.mk b/cm/res/Android.mk
index 5106f740..5cad69f0 100644
--- a/cm/res/Android.mk
+++ b/cm/res/Android.mk
@@ -20,12 +20,13 @@ include $(CLEAR_VARS)
 LOCAL_PACKAGE_NAME := org.cyanogenmod.platform-res
 LOCAL_CERTIFICATE := platform
 LOCAL_AAPT_FLAGS := --auto-add-overlay
-
 LOCAL_RESOURCE_DIR := $(addprefix $(LOCAL_PATH)/, res)
 
 # Tell aapt to create "extending (non-application)" resource IDs,
 # since these resources will be used by many apps.
-LOCAL_AAPT_FLAGS := -x
+
+# 0x3f/one less than app id
+LOCAL_AAPT_FLAGS += -x 63
 
 LOCAL_MODULE_TAGS := optional