diff --git a/clutter/clutter-box.c b/clutter/clutter-box.c
index 95f638b9c..7bcd879f6 100644
--- a/clutter/clutter-box.c
+++ b/clutter/clutter-box.c
@@ -527,7 +527,7 @@ clutter_box_new (ClutterLayoutManager *manager)
  * Since: 1.2
  */
 void
-clutter_box_set_layout_manager (ClutterBox *box,
+clutter_box_set_layout_manager (ClutterBox           *box,
                                 ClutterLayoutManager *manager)
 {
   g_return_if_fail (CLUTTER_IS_BOX (box));
diff --git a/clutter/clutter-box.h b/clutter/clutter-box.h
index bd60f8256..a44c274c1 100644
--- a/clutter/clutter-box.h
+++ b/clutter/clutter-box.h
@@ -39,7 +39,7 @@ GType clutter_box_get_type (void) G_GNUC_CONST;
 ClutterActor *        clutter_box_new                (ClutterLayoutManager *manager);
 
 void                  clutter_box_set_layout_manager (ClutterBox           *box,
-                                                      ClutterLayoutManager *manger);
+                                                      ClutterLayoutManager *manager);
 ClutterLayoutManager *clutter_box_get_layout_manager (ClutterBox           *box);
 
 void                  clutter_box_set_color          (ClutterBox           *box,