diff --git a/binder_service_brillo.h b/binder_service_brillo.h
index 81a4e4c..c802fca 100644
--- a/binder_service_brillo.h
+++ b/binder_service_brillo.h
@@ -54,7 +54,8 @@
   android::binder::Status SetUpdateAttemptFlags(int flags) override;
   android::binder::Status AttemptUpdate(const android::String16& app_version,
                                         const android::String16& omaha_url,
-                                        int flags) override;
+                                        int flags,
+                                        bool* out_result) override;
   android::binder::Status AttemptRollback(bool powerwash) override;
   android::binder::Status CanRollback(bool* out_can_rollback) override;
   android::binder::Status ResetStatus() override;