diff --git a/init.el b/init.el
index a92ee95..aa681a5 100644
--- a/init.el
+++ b/init.el
@@ -1725,7 +1725,8 @@ line in the block and manually deal with indentation."
   :config
   (evil-define-key 'insert sly-mrepl-mode-map
     (kbd ",") 'self-insert-command)
-  (keymap-set sly-mrepl-mode-map "C-c ," 'sly-mrepl-shortcut)
+  (evil-define-key nil sly-mrepl-mode-map
+    (kbd "C-c ,") 'sly-mrepl-shortcut)
   (sly-symbol-completion-mode -1))
 
 ;; pdf-tools