diff --git a/config.org b/config.org
index 641f286..3f36509 100644
--- a/config.org
+++ b/config.org
@@ -464,11 +464,11 @@
    Show an undo tree in a new buffer which can be navigated.
    
 #+BEGIN_SRC emacs-lisp
-   (use-package undo-tree
-     :ensure t
-     :diminish undo-tree-mode
-     :init
-     (undo-tree-mode))
+(use-package undo-tree
+  :ensure t
+  :diminish undo-tree-mode
+  :init
+  (global-undo-tree-mode 1))
 #+END_SRC
 
 ** Ido (currently inactive)