diff --git a/dot_doom.d/init.el.tmpl b/dot_doom.d/init.el.tmpl
index 3a52d34..f1b6b1f 100644
--- a/dot_doom.d/init.el.tmpl
+++ b/dot_doom.d/init.el.tmpl
@@ -35,7 +35,7 @@
        :emacs
        dired             ; making dired pretty [functional]
        electric          ; smarter, keyword-based electric-indent
-       undo              ; persistent, smarter undo for your inevitable mistakes
+       (undo +tree)      ; persistent, smarter undo for your inevitable mistakes
        vc                ; version-control and Emacs, sitting in a tree
 
        :term