diff --git a/mitterlib/ui/ui_pygtk.py b/mitterlib/ui/ui_pygtk.py
index 5c2b139..806451e 100644
--- a/mitterlib/ui/ui_pygtk.py
+++ b/mitterlib/ui/ui_pygtk.py
@@ -946,7 +946,7 @@ class Interface(object):
         page = self._main_tabs.get_current_page()
         (grid, counter) = self._grids[page]
         grid.get_model().clear()
-        set_attr(self, counter, 0)
+        setattr(self, counter, 0)
         self._message_count_updated()
         return