diff --git a/y2017/joystick_reader.cc b/y2017/joystick_reader.cc
index c7f0666..a0c20d1 100644
--- a/y2017/joystick_reader.cc
+++ b/y2017/joystick_reader.cc
@@ -331,5 +331,5 @@
 
   event_loop.Run();
 
-  ::aos::Cleanup();
+  return 0;
 }