--- a/Beremiz_service.py	Wed Dec 07 17:51:20 2016 +0300
+++ b/Beremiz_service.py	Wed Dec 07 17:54:41 2016 +0300
@@ -417,6 +417,7 @@
         sys.stdout.flush()
 
         self.daemon.requestLoop()
+        self.daemon.sock.close()
 
     def Stop(self):
         if self.plcobj is not None: