diff --git a/modules/camera/Android.mk b/modules/camera/Android.mk
index 44d7212..eebffc1 100644
--- a/modules/camera/Android.mk
+++ b/modules/camera/Android.mk
@@ -32,7 +32,7 @@
 	libcutils \
 	liblog \
 
-LOCAL_CFLAGS += -Wall -Wextra
+LOCAL_CFLAGS += -Wall -Wextra -fvisibility=hidden
 
 LOCAL_MODULE_TAGS := optional