Ticket #6323: change_view_patch.diff

django/contrib/admin/options.py

@@ -536 +536 @@
         app_label = opts.app_label
 
         try:
-            obj = model._default_manager.get(pk=object_id)
+            obj = self.queryset_change(request).get(pk=object_id)
         except model.DoesNotExist:
             # Don't raise Http404 just yet, because we haven't checked
             # permissions yet. We don't want an unauthenticated user to be able