1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/emacs-lisp/cl-seq.el b/lisp/emacs-lisp/cl-seq.el
index 86a73e19970..87c02a6b54f 100644
--- a/lisp/emacs-lisp/cl-seq.el
+++ b/lisp/emacs-lisp/cl-seq.el
@@ -742,7 +742,7 @@ Return the sublist of LIST whose car matches.
                         (not (cl--check-test cl-item (car (car cl-alist))))))
           (setq cl-alist (cdr cl-alist)))
         (and cl-alist (car cl-alist)))
-    (if (numberp cl-item)
+    (if (and (numberp cl-item) (not (fixnump cl-item)))
         (assoc cl-item cl-alist)
       (assq cl-item cl-alist))))
 (autoload 'cl--compiler-macro-assoc "cl-macs")