diff --git a/modules/hwcomposer/Android.mk b/modules/hwcomposer/Android.mk
index da0f6db..5dbabe2 100644
--- a/modules/hwcomposer/Android.mk
+++ b/modules/hwcomposer/Android.mk
@@ -26,4 +26,5 @@
 LOCAL_MODULE := hwcomposer.default
 LOCAL_CFLAGS:= -DLOG_TAG=\"hwcomposer\"
 LOCAL_MODULE_TAGS := optional
+LOCAL_CFLAGS += -Wall -Werror
 include $(BUILD_SHARED_LIBRARY)