diff --git a/telegram/ext/dispatcher.py b/telegram/ext/dispatcher.py
index e71fedf45..e10ccee6f 100644
--- a/telegram/ext/dispatcher.py
+++ b/telegram/ext/dispatcher.py
@@ -42,7 +42,7 @@ def _pooled():
     """
     A wrapper to run a thread in a thread pool
     """
-    while True:
+    while 1:
         try:
             func, args, kwargs = ASYNC_QUEUE.get()