diff --git a/python/push-status/push_status/push_status.py b/python/push-status/push_status/push_status.py
index 149cab7..534e9e0 100644
--- a/python/push-status/push_status/push_status.py
+++ b/python/push-status/push_status/push_status.py
@@ -84,6 +84,8 @@ def main():
 
     push(args.url, monitor.get('pushToken'), state, msg, duration*1e3)
 
+    return 0
+
 
 if __name__ == '__main__':
     main()