diff --git a/Android.mk b/Android.mk
index 1243ad7..d90b399 100644
--- a/Android.mk
+++ b/Android.mk
@@ -23,7 +23,8 @@
                   ProcessKiller.c                      \
                   geom_mbr_enc.c                       \
                   Fat.cpp                              \
-                  Loop.cpp
+                  Loop.cpp                             \
+                  Devmapper.cpp
 
 LOCAL_MODULE:= vold