diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index ad6a7f60bc..da7f1a54b5 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -1153,7 +1153,7 @@ MidiRegionView::find_canvas_sys_ex (MidiModel::SysExPtr s)
 		return f->second;
 	}
 
-	return 0;
+	return boost::shared_ptr<SysEx>();
 }
 
 void