diff --git a/init.el b/init.el
index 2f2c10c7..6d033631 100755
--- a/init.el
+++ b/init.el
@@ -938,7 +938,8 @@ Uses `mk/hyperspec-dir-locations' to find the directory."
   :hook ((emacs-lisp-mode . prettify-symbols-mode)
          (emacs-lisp-mode . (lambda () (face-remap-add-relative 'font-lock-function-name-face
                                                            nil
-                                                           :underline t))))
+                                                           :underline t)))
+         (emacs-lisp-mode . display-fill-column-indicator-mode))
   :mode (("\\.el$" . emacs-lisp-mode))
   :config
   (setq-local lisp-indent-function 'lisp-indent-function)
@@ -949,7 +950,8 @@ Uses `mk/hyperspec-dir-locations' to find the directory."
   :hook ((lisp-mode . (lambda () (face-remap-add-relative 'font-lock-function-name-face
                                                      nil
                                                      :underline t)
-                        (setq-local display-line-numbers 'relative))))
+                        (setq-local display-line-numbers 'relative)))
+         (lisp-mode . display-fill-column-indicator-mode))
   :mode (("\\.lisp$" . lisp-mode)
          ("\\.lsp$" . lisp-mode)
          ("\\.cl$" . lisp-mode)