diff --git a/clutter/clutter/clutter-bezier.h b/clutter/clutter/clutter-bezier.h
index df9f61767..a58c589c2 100644
--- a/clutter/clutter/clutter-bezier.h
+++ b/clutter/clutter/clutter-bezier.h
@@ -36,7 +36,7 @@ G_BEGIN_DECLS
 
 typedef struct _ClutterBezier ClutterBezier;
 
-ClutterBezier *_clutter_bezier_new ();
+ClutterBezier *_clutter_bezier_new (void);
 
 void           _clutter_bezier_free (ClutterBezier * b);