diff -p -up gtkpod-2.1.2/src/anjuta-action-callbacks.c.gdl gtkpod-2.1.2/src/anjuta-action-callbacks.c
--- gtkpod-2.1.2/src/anjuta-action-callbacks.c.gdl	2012-05-11 23:25:00.000000000 +0200
+++ gtkpod-2.1.2/src/anjuta-action-callbacks.c	2012-12-05 09:18:46.439874517 +0100
@@ -65,7 +65,7 @@ void
 on_layout_lock_toggle (GtkAction *action, AnjutaApp *app)
 {
 	if (app->layout_manager)
-		g_object_set (app->layout_manager->master, "locked",
+		g_object_set (app->layout_manager->deprecated_master, "locked",
 					  gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)),
 					  NULL);
 }
diff -p -up gtkpod-2.1.2/src/anjuta-app.c.gdl gtkpod-2.1.2/src/anjuta-app.c
--- gtkpod-2.1.2/src/anjuta-app.c.gdl	2012-12-05 09:18:46.407874598 +0100
+++ gtkpod-2.1.2/src/anjuta-app.c	2012-12-05 09:19:24.925775292 +0100
@@ -251,7 +251,7 @@ static void on_gdl_style_changed(GSettin
     else if (g_strcmp0(pr_style, "Tabs") == 0)
         style = GDL_SWITCHER_STYLE_TABS;
 
-    g_object_set(G_OBJECT(app->layout_manager->master), "switcher-style", style, NULL);
+    g_object_set(G_OBJECT(app->layout_manager->deprecated_master), "switcher-style", style, NULL);
     g_free(pr_style);
 }
 
@@ -484,7 +484,7 @@ static void anjuta_app_instance_init(Anj
     app->layout_manager = gdl_dock_layout_new(GDL_DOCK (app->dock));
     g_signal_connect (app->layout_manager, "notify::dirty",
             G_CALLBACK (on_layout_dirty_notify), app);
-    g_signal_connect (app->layout_manager->master, "notify::locked",
+    g_signal_connect (app->layout_manager->deprecated_master, "notify::locked",
             G_CALLBACK (on_layout_locked_notify), app);
 
     /* UI engine */