diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index cdf969e8b9..28b5a35482 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -1872,8 +1872,6 @@ MidiRegionView::add_canvas_patch_change (MidiModel::PatchChangePtr patch)
 		);
 
 	_patch_changes.insert (make_pair (patch, patch_change));
-
-	display_patch_changes();
 }
 
 void