diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index 5a1a89b..9bdd64a 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -117,8 +117,8 @@
 	IPermissionController.cpp \
 	IServiceManager.cpp \
 	Unicode.cpp \
-    backup_data.cpp \
-	backup_helper_file.cpp
+    BackupData.cpp \
+	BackupHelpers.cpp
 
 ifeq ($(TARGET_SIMULATOR),true)
 LOCAL_SRC_FILES += $(hostSources)