diff --git a/Android.mk b/Android.mk
index 7b2ee64..e23c777 100644
--- a/Android.mk
+++ b/Android.mk
@@ -60,6 +60,9 @@
 ifeq ($(CFG_REE_FS),y)
 LOCAL_CFLAGS += -DCFG_REE_FS
 endif
+ifeq ($(CFG_RPMB_FS),y)
+LOCAL_CFLAGS += -DCFG_RPMB_FS
+endif
 
 LOCAL_CFLAGS += -DUSER_SPACE
 LOCAL_CFLAGS += -DTA_DIR=\"/system/lib/optee_armtz\"