diff --git a/src/app.cpp b/src/app.cpp
index 4838b4b..0de1128 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -113,7 +113,7 @@ namespace
 	};
 
 	BackBuffer app_backbuffer;
-	TargetRef app_backbuffer_ref = TargetRef(&app_backbuffer);
+	TargetRef app_backbuffer_ref = TargetRef(&app_backbuffer, [](BackBuffer*) {});
 }
 
 bool App::run(const Config* c)