diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index 6c46664dc7..98be85eab7 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -5406,7 +5406,7 @@ Editor::sync_track_view_list_and_routes ()
 {
 	track_views = TrackViewList (_routes->views ());
 
-	_summary->set_dirty ();
+	_summary->set_background_dirty();
 	_group_tabs->set_dirty ();
 
 	return false; // do not call again (until needed)