diff --git a/src/Merge/mergefamily.py b/src/Merge/mergefamily.py
index 79a4584a5..33e1c6862 100644
--- a/src/Merge/mergefamily.py
+++ b/src/Merge/mergefamily.py
@@ -241,7 +241,7 @@ class MergeFamilies(ManagedWindow.ManagedWindow):
             # TODO: rollback
         else:
             database.transaction_commit(trans, _('Merge family'))
-        self.database.emit('family-rebuild')
+        database.emit('family-rebuild')
         self.uistate.viewmanager.active_page.selection.unselect_path(
                 unselect_path)
         self.uistate.set_busy_cursor(False)