diff --git a/cmds/stagefright/Android.mk b/cmds/stagefright/Android.mk
index ef67611..51a0649 100644
--- a/cmds/stagefright/Android.mk
+++ b/cmds/stagefright/Android.mk
@@ -24,6 +24,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES:=         \
+        SineSource.cpp    \
         record.cpp
 
 LOCAL_SHARED_LIBRARIES := \