diff --git a/lisp/winner.el b/lisp/winner.el
index 7fcb44131e6..a052ef00945 100644
--- a/lisp/winner.el
+++ b/lisp/winner.el
@@ -49,7 +49,7 @@
   (when (boundp 'winner-mode-map)
     (if value
         (progn (keymap-unset winner-mode-map "C-c <left>")
-               (keymap-unset winner-mode-map "C-c <left>"))
+               (keymap-unset winner-mode-map "C-c <right>"))
       ;; Default bindings.
       (keymap-set winner-mode-map "C-c <left>" #'winner-undo)
       (keymap-set winner-mode-map "C-c <right>" #'winner-redo)))