diff -r dd959601e67a -r 0a3103cd825d Beremiz_service.py
--- a/Beremiz_service.py	Tue Oct 23 13:34:15 2018 +0200
+++ b/Beremiz_service.py	Tue Oct 23 13:36:07 2018 +0200
@@ -334,9 +334,9 @@
                     self.pyroserver.Restart()
 
             def OnTaskBarChangeName(self, evt):
-                servicename = self.pyroserver.servicename
-                servicename = '' if servicename is None else servicename
-                dlg = ParamsEntryDialog(None, _("Enter a name "), defaultValue=servicename)
+                _servicename = self.pyroserver.servicename
+                _servicename = '' if _servicename is None else _servicename
+                dlg = ParamsEntryDialog(None, _("Enter a name "), defaultValue=_servicename)
                 dlg.SetTests([(lambda name: len(name) is not 0, _("Name must not be null!"))])
                 if dlg.ShowModal() == wx.ID_OK:
                     self.pyroserver.servicename = dlg.GetValue()