--- a/src/packagemanager.py	Thu Apr 16 12:11:18 2009 +0100
+++ b/src/packagemanager.py	Thu Apr 16 15:26:36 2009 +0100
@@ -3553,6 +3553,8 @@
                 installed = 0
                 self.selected = 0
                 sel = 0
+                if self.application_list == None:
+                        return
                 visible_repository = self.__get_visible_repository_name()
                 pkgs = self.selected_pkgs.get(visible_repository)
                 if pkgs: