diff --git a/gtk2_ardour/pianoroll_midi_view.cc b/gtk2_ardour/pianoroll_midi_view.cc
index 644148eca9..016ec4461a 100644
--- a/gtk2_ardour/pianoroll_midi_view.cc
+++ b/gtk2_ardour/pianoroll_midi_view.cc
@@ -397,13 +397,14 @@ PianorollMidiView::update_automation_display (Evoral::Parameter const & param, S
 
 		if (param.type() == MidiVelocityAutomation) {
 
-
 			if (!velocity_display) {
 
 				/* Create and add to automation display map */
 
+				std::cerr << "Createing velocity_display\n";
+
 				velocity_display = new PianorollVelocityDisplay (editing_context(), midi_context(), *this, *automation_group, 0x312244ff);
-				auto res = automation_map.insert (std::make_pair (Evoral::Parameter (ARDOUR::MidiVelocityAutomation, 0, 0), AutomationDisplayState (*velocity_display, false)));
+				auto res = automation_map.insert (std::make_pair (param, AutomationDisplayState (*velocity_display, false)));
 
 				ads = &((*res.first).second);