diff --git a/glib/gdir.c b/glib/gdir.c
index d0b2d5eed..6b85e99c8 100644
--- a/glib/gdir.c
+++ b/glib/gdir.c
@@ -189,6 +189,8 @@ g_dir_new_from_dirp (gpointer dirp)
   return dir;
 #else
   g_assert_not_reached ();
+
+  return NULL;
 #endif
 }