diff --git a/gobject/gobject.c b/gobject/gobject.c
index 93f380c85..89ad66fcc 100644
--- a/gobject/gobject.c
+++ b/gobject/gobject.c
@@ -304,7 +304,7 @@ g_object_notify_queue_add (GObject            *object,
 {
   G_LOCK(notify_lock);
 
-  g_return_if_fail (nqueue->n_pspecs < 65535);
+  g_assert (nqueue->n_pspecs < 65535);
 
   if (g_slist_find (nqueue->pspecs, pspec) == NULL)
     {