diff --git a/libs/binder/Android.mk b/libs/binder/Android.mk
index f3f8daf..c8147ed 100644
--- a/libs/binder/Android.mk
+++ b/libs/binder/Android.mk
@@ -21,6 +21,7 @@
     Debug.cpp \
     IAppOpsCallback.cpp \
     IAppOpsService.cpp \
+    IBatteryStats.cpp \
     IInterface.cpp \
     IMemory.cpp \
     IPCThreadState.cpp \