diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 9628928004..9b14bcdaaf 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -4605,7 +4605,7 @@ Command*
 Editor::apply_midi_note_edit_op_to_region (MidiOperator& op, MidiRegionView& mrv)
 {
 	Evoral::Sequence<Evoral::MusicalTime>::Notes selected;
-	mrv.selection_as_notelist (selected);
+	mrv.selection_as_notelist (selected, true);
 
 	vector<Evoral::Sequence<Evoral::MusicalTime>::Notes> v;
 	v.push_back (selected);
diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index b9bbff74d1..d1c1656ce3 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -2648,13 +2648,22 @@ MidiRegionView::goto_previous_note ()
 }
 
 void
-MidiRegionView::selection_as_notelist (Notes& selected)
+MidiRegionView::selection_as_notelist (Notes& selected, bool allow_all_if_none_selected)
 {
+        bool had_selected = false;
+
 	time_sort_events ();
 
 	for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
 		if ((*i)->selected()) {
 			selected.insert ((*i)->note());
+                        had_selected = true;
+		}
+	}
+        
+        if (allow_all_if_none_selected && !had_selected) {
+                for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
+                        selected.insert ((*i)->note());
 		}
 	}
 }
diff --git a/gtk2_ardour/midi_region_view.h b/gtk2_ardour/midi_region_view.h
index 21d81cf2f8..3417014b43 100644
--- a/gtk2_ardour/midi_region_view.h
+++ b/gtk2_ardour/midi_region_view.h
@@ -292,7 +292,7 @@ class MidiRegionView : public RegionView
 
 	void show_list_editor ();
 
-	void selection_as_notelist (Notes& selected);
+	void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
 
   protected:
 	/** Allows derived types to specify their visibility requirements
diff --git a/gtk2_ardour/quantize_dialog.cc b/gtk2_ardour/quantize_dialog.cc
index 727f2b0db9..fae5813542 100644
--- a/gtk2_ardour/quantize_dialog.cc
+++ b/gtk2_ardour/quantize_dialog.cc
@@ -173,7 +173,7 @@ QuantizeDialog::end_grid_size () const
 double
 QuantizeDialog::grid_size_to_musical_time (const string& txt) const
 {
-	if (txt == "main_grid") {
+	if (txt == "main grid") {
 		bool success;
 
 		Evoral::MusicalTime b = editor.get_grid_type_as_beats (success, 0);
@@ -200,7 +200,7 @@ QuantizeDialog::grid_size_to_musical_time (const string& txt) const
 	} else if (txt == _("Beats")) {
 		return 1.0;
 	}
-
+        
 	return 1.0;
 }