diff --git a/Android.mk b/Android.mk
index c913a1e..d4a178a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -15,6 +15,7 @@
 	Devmapper.cpp \
 	ResponseCode.cpp \
 	CheckBattery.cpp \
+	Ext4Crypt.cpp \
 	VoldUtil.c \
 	fstrim.c \
 	cryptfs.c