diff --git a/gtk2_ardour/midi_time_axis.cc b/gtk2_ardour/midi_time_axis.cc
index 2df561da3d..91bc3157f1 100644
--- a/gtk2_ardour/midi_time_axis.cc
+++ b/gtk2_ardour/midi_time_axis.cc
@@ -442,6 +442,7 @@ MidiTimeAxisView::build_automation_action_menu ()
automation_items.push_back (MenuElem (_("Controllers"), *controller_menu));
} else {
automation_items.push_back (MenuElem (string_compose ("%1", _("No MIDI Channels selected"))));
+ dynamic_cast