diff --git a/gtk2_ardour/mixer_strip.cc b/gtk2_ardour/mixer_strip.cc
index e2ed1a8d11..1b8ce06dda 100644
--- a/gtk2_ardour/mixer_strip.cc
+++ b/gtk2_ardour/mixer_strip.cc
@@ -504,9 +504,6 @@ MixerStrip::set_width (Width w, void* owner)
 		((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (panners.astate_string(_route->panner().automation_state()));
 		Gtkmm2ext::set_size_request_to_display_given_text (name_button, "long", 2, 2);
 		set_size_request (-1, -1);
-#ifdef GTKOSX
-		WidthChanged();
-#endif
 		break;
 
 	case Narrow:
@@ -536,6 +533,9 @@ MixerStrip::set_width (Width w, void* owner)
 	update_output_display ();
 	mix_group_changed (0);
 	name_changed (0);
+#ifdef GTKOSX
+	WidthChanged();
+#endif
 }
 
 void
diff --git a/gtk2_ardour/mixer_ui.cc b/gtk2_ardour/mixer_ui.cc
index 07c6f7c9bb..558a7469ab 100644
--- a/gtk2_ardour/mixer_ui.cc
+++ b/gtk2_ardour/mixer_ui.cc
@@ -312,7 +312,9 @@ Mixer_UI::add_strip (Session::RouteList& routes)
 		route->name_changed.connect (bind (mem_fun(*this, &Mixer_UI::strip_name_changed), strip));
 
 		strip->GoingAway.connect (bind (mem_fun(*this, &Mixer_UI::remove_strip), strip));
-		
+#ifdef GTKOSX
+		strip->WidthChanged.connect (mem_fun(*this, &Mixer_UI::queue_draw_all_strips));
+#endif	
 		strip->signal_button_release_event().connect (bind (mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
 	}
 
@@ -743,6 +745,30 @@ Mixer_UI::redisplay_track_list ()
 	}
 }
 
+#ifdef GTKOSX
+void
+Mixer_UI::queue_draw_all_strips ()
+{
+	TreeModel::Children rows = track_model->children();
+	TreeModel::Children::iterator i;
+	long order;
+
+	for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
+		MixerStrip* strip = (*i)[track_columns.strip];
+
+		if (strip == 0) {
+			continue;
+		}
+
+		bool visible = (*i)[track_columns.visible];
+		
+		if (visible) {
+			strip->queue_draw();
+		}
+	}
+}
+#endif
+
 void
 Mixer_UI::set_auto_rebinding( bool val )
 {
diff --git a/gtk2_ardour/mixer_ui.h b/gtk2_ardour/mixer_ui.h
index 166d108624..99a2682f2a 100644
--- a/gtk2_ardour/mixer_ui.h
+++ b/gtk2_ardour/mixer_ui.h
@@ -152,6 +152,9 @@ class Mixer_UI : public Gtk::Window
 	void redisplay_track_list ();
 	bool no_track_list_redisplay;
 	bool track_display_button_press (GdkEventButton*);
+#ifdef GTKOSX
+	void queue_draw_all_strips ();
+#endif
 	
 	void track_list_change (const Gtk::TreeModel::Path&,const Gtk::TreeModel::iterator&);
 	void track_list_delete (const Gtk::TreeModel::Path&);