1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
index a696c471e8f..fd458300ca6 100644
--- a/lisp/cus-edit.el
+++ b/lisp/cus-edit.el
@@ -1582,6 +1582,7 @@ and `face'."
                    (require load)
                  (error nil)))
               ;; Don't reload a file already loaded.
+              ((member load preloaded-file-list))
               ((assoc load load-history))
               ((assoc (locate-library load) load-history))
               (t