1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/ido.el b/lisp/ido.el
index a0308e3ddfb..233474fd0a0 100644
--- a/lisp/ido.el
+++ b/lisp/ido.el
@@ -2511,6 +2511,7 @@ for first matching file."
     (if (and res (not (eq res t)))
         (setq res (ido-sort-merged-list res auto)))
     (when (and (or ido-rotate-temp ido-rotate-file-list-default)
+               (listp res)
                (> (length text) 0))
       (let ((elt (assoc text res)))
         (when (and elt (not (eq elt (car res))))