diff --git a/pyapns/server.py b/pyapns/server.py
index 3889a7c..4348e95 100644
--- a/pyapns/server.py
+++ b/pyapns/server.py
@@ -208,6 +208,7 @@ def write(self, notifications):
             if conn_time > MAX_CONNECTION_TIME:
             	log.msg('APNSService write (disconnecting based on max connection time)')
                 self.factory.clientProtocol.transport.loseConnection()
+                self.factory.stopTrying()
                 self.factory = None
 
         if not self.factory: