diff --git a/uncrypt/Android.mk b/uncrypt/Android.mk
index 878d275..d832d97 100644
--- a/uncrypt/Android.mk
+++ b/uncrypt/Android.mk
@@ -16,7 +16,7 @@
 
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES := uncrypt.c
+LOCAL_SRC_FILES := uncrypt.cpp
 
 LOCAL_MODULE := uncrypt