diff --git a/config.org b/config.org
index 77eeda2..bf3871b 100644
--- a/config.org
+++ b/config.org
@@ -297,7 +297,8 @@ needs to be set up to install them if they aren't already.
             '(emacs-lisp-mode-hook
               lisp-mode-hook
               racket-mode-hook
-              scheme-mode-hook))
+              scheme-mode-hook
+              slime-repl-mode-hook))
       (dolist (hook lispy-mode-hooks)
         (add-hook hook (lambda ()
                          (setq show-paren-style 'expression)