diff --git a/spacemacs/packages.el b/spacemacs/packages.el
index aacc26a1b..4ff340941 100644
--- a/spacemacs/packages.el
+++ b/spacemacs/packages.el
@@ -1352,13 +1352,14 @@ which require an initialization must be listed explicitly in the list.")
     :config
     (progn
       (helm-mode +1)
-      (defun spacemacs/set-dotted-directory ()
+      (defun spacemacs//set-dotted-directory ()
+        "Set the face of diretories for `.' and `..'"
         (set-face-attribute 'helm-ff-dotted-directory
                             nil
                             :foreground nil
                             :background nil
                             :inherit 'helm-ff-directory))
-      (add-hook 'helm-find-files-before-init-hook 'spacemacs/set-dotted-directory)
+      (add-hook 'helm-find-files-before-init-hook 'spacemacs//set-dotted-directory)
       ;; alter helm-bookmark key bindings to be simpler
       (defun simpler-helm-bookmark-keybindings ()
         (define-key helm-bookmark-map (kbd "C-d") 'helm-bookmark-run-delete)