diff --git a/Android.mk b/Android.mk
index 43791c7..104293c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -180,6 +180,7 @@
 	core/java/com/android/internal/appwidget/IAppWidgetService.aidl \
 	core/java/com/android/internal/appwidget/IAppWidgetHost.aidl \
 	core/java/com/android/internal/backup/IBackupTransport.aidl \
+	core/java/com/android/internal/backup/IObbBackupService.aidl \
 	core/java/com/android/internal/policy/IFaceLockCallback.aidl \
 	core/java/com/android/internal/policy/IFaceLockInterface.aidl \
 	core/java/com/android/internal/os/IDropBoxManagerService.aidl \