diff --git a/core/core-editor.el b/core/core-editor.el
index ae1f5f2a2..635d89520 100644
--- a/core/core-editor.el
+++ b/core/core-editor.el
@@ -528,6 +528,7 @@ files, so we replace calls to `pp' with the much faster `prin1'."
   :config
   (setq undo-tree-visualizer-diff t
         undo-tree-auto-save-history t
+        undo-tree-enable-undo-in-region t
         ;; Increase undo-limits by a factor of ten to avoid emacs prematurely
         ;; truncating the undo history and corrupting the tree. See
         ;; https://github.com/syl20bnr/spacemacs/issues/12110