diff --git a/Android.mk b/Android.mk
index e1b58ec..a1d5aa0 100644
--- a/Android.mk
+++ b/Android.mk
@@ -13,6 +13,7 @@
 	Devmapper.cpp \
 	ResponseCode.cpp \
 	CheckBattery.cpp \
+	Ext4Crypt.cpp \
 	VoldUtil.c \
 	fstrim.c \
 	cryptfs.c \