diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 20992d881a..251233a433 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -5743,22 +5743,17 @@ Editor::toggle_region_lock_style ()
 		return;
 	}
 
-	bool have_position_lock_style_audio = false;
-	bool have_position_lock_style_music = false;
-	for (list<RegionView*>::const_iterator i = rs.begin(); i != rs.end(); ++i) {
-		if ((*i)->region()->position_lock_style() == MusicTime) {
-			have_position_lock_style_music = true;
-		} else {
-			have_position_lock_style_audio = true;
-		}
-	}
-	bool const inconsistent = have_position_lock_style_audio && have_position_lock_style_music;
+	Glib::RefPtr<ToggleAction> a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock-style"));
+	vector<Widget*> proxies = a->get_proxies();
+	CheckMenuItem* cmi = dynamic_cast<CheckMenuItem*> (proxies.front());
+
+	assert (cmi);
 
 	begin_reversible_command (_("toggle region lock style"));
 
 	for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 		(*i)->region()->clear_changes ();
-		PositionLockStyle const ns = ((*i)->region()->position_lock_style() == AudioTime && !inconsistent) ? MusicTime : AudioTime;
+		PositionLockStyle const ns = ((*i)->region()->position_lock_style() == AudioTime && !cmi->get_inconsistent()) ? MusicTime : AudioTime;
 		(*i)->region()->set_position_lock_style (ns);
 		_session->add_command (new StatefulDiffCommand ((*i)->region()));
 	}