diff --git a/gtk2_ardour/midi_list_editor.cc b/gtk2_ardour/midi_list_editor.cc
index e5950f1b07..5e28c52f09 100644
--- a/gtk2_ardour/midi_list_editor.cc
+++ b/gtk2_ardour/midi_list_editor.cc
@@ -54,14 +54,14 @@ static map<int32_t,std::string> note_length_map;
 static void
 fill_note_length_map ()
 {
-	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/1, _("Whole")));
-	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/2, _("Half")));
-	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/3, _("Triplet")));
-	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/4, _("Quarter")));
-	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/8, _("Eighth")));
-	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/16, _("Sixteenth")));
-	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/32, _("Thirty-second")));
-	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/64, _("Sixty-fourth")));
+	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat*4,    _("Whole")));
+	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat*2,    _("Half")));
+	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat*2/3 , _("Triplet")));
+	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/1,    _("Quarter")));
+	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/2,    _("Eighth")));
+	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/4,    _("Sixteenth")));
+	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/8,    _("Thirty-second")));
+	note_length_map.insert (make_pair<int32_t,string> (Temporal::ticks_per_beat/16,   _("Sixty-fourth")));
 }
 
 MidiListEditor::MidiListEditor (Session* s, std::shared_ptr<MidiRegion> r, std::shared_ptr<MidiTrack> tr)