diff --git a/y2012/joystick_reader.cc b/y2012/joystick_reader.cc
index 4683b29..a40d148 100644
--- a/y2012/joystick_reader.cc
+++ b/y2012/joystick_reader.cc
@@ -162,5 +162,5 @@
 
   event_loop.Run();
 
-  ::aos::Cleanup();
+  return 0;
 }