diff --git a/fs/Makefile b/fs/Makefile
index c8afab0301fb..c31fc6983129 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -6,6 +6,7 @@
 # Rewritten to use lists instead of if-statements.
 # 
 
+subdir-ccflags-y += -DANDROID_GKI_VFS_EXPORT_ONLY=VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver
 
 obj-y :=	open.o read_write.o file_table.o super.o \
 		char_dev.o stat.o exec.o pipe.o namei.o fcntl.o \