diff --git a/light/2.0/default/Android.mk b/light/2.0/default/Android.mk
index 1f44e66..da75e1a 100644
--- a/light/2.0/default/Android.mk
+++ b/light/2.0/default/Android.mk
@@ -7,6 +7,8 @@
 LOCAL_SRC_FILES := \
     Light.cpp \
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_SHARED_LIBRARIES := \
     libhidlbase \
     libhidltransport \
@@ -28,6 +30,8 @@
 LOCAL_SRC_FILES := \
     service.cpp \
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_SHARED_LIBRARIES := \
     liblog \
     libcutils \