diff -r f59d1cdde42b -r 24b506ea314b objdictgen/networkedit.py
--- a/objdictgen/networkedit.py	Mon Jun 23 17:55:11 2008 +0200
+++ b/objdictgen/networkedit.py	Tue Jun 24 19:05:41 2008 +0200
@@ -596,7 +596,7 @@
                         self.HelpBar.SetStatusText("", i)
 
     def RefreshMainMenu(self):
-        if self.MenuBar:
+        if self and self.MenuBar:
             self.NetworkMenu.Enable(ID_NETWORKEDITNETWORKMENUBUILDMASTER, False)
             if self.NodeList == None:
                 if self.ModeSolo: