diff --git a/core/core-editor.el b/core/core-editor.el
index b39230c5b..0a35f5e36 100644
--- a/core/core-editor.el
+++ b/core/core-editor.el
@@ -212,13 +212,13 @@ savehist file."
 (def-package! undo-tree
   :after-call (doom-exit-buffer-hook after-find-file)
   :config
-  ;; persistent undo history and undo-in-region is known to cause undo history
-  ;; corruption, which can be very destructive! Disabling it deters the error,
-  ;; but does not fix it entirely!
-  (setq undo-tree-auto-save-history nil
+  (setq undo-tree-auto-save-history t
+        ;; undo-in-region is known to cause undo history corruption, which can
+        ;; be very destructive! Disabling it deters the error, but does not fix
+        ;; it entirely!
         undo-tree-enable-undo-in-region nil
         undo-tree-history-directory-alist
-        (list (cons "." (concat doom-cache-dir "undo-tree-hist/"))))
+        `(("." . ,(concat doom-cache-dir "undo-tree-hist/"))))
   (global-undo-tree-mode +1))