diff --git a/lisp/dirtrack.el b/lisp/dirtrack.el
index 297978101c0..572435d357b 100644
--- a/lisp/dirtrack.el
+++ b/lisp/dirtrack.el
@@ -186,7 +186,7 @@ be on a single line."
 (defcustom dirtrack-directory-change-hook nil
   "Hook that is called when a directory change is made."
   :group 'dirtrack
-  :type 'function
+  :type 'hook
   )