--- a/Helpviewer/AdBlock/AdBlockDialog.py	Fri Jan 08 19:14:19 2010 +0000
+++ b/Helpviewer/AdBlock/AdBlockDialog.py	Sat Jan 09 19:43:36 2010 +0000
@@ -99,7 +99,7 @@
                              self.__removeSubscription)
         act.setEnabled(idx.isValid())
     
-    def addCustomRule(self, rule):
+    def addCustomRule(self, rule = ""):
         """
         Public slot to add a custom AdBlock rule.