diff --git a/configuration.org b/configuration.org
index 3735ce0..66ca645 100644
--- a/configuration.org
+++ b/configuration.org
@@ -1736,7 +1736,8 @@ Toggle other windows for maximum focus.  When focus is no longer needed, they ca
 #+BEGIN_SRC emacs-lisp
 (use-package expand-region
   :bind
-  (("C-@" . er/expand-region)))
+  (:map gpolonkai/pers-map
+   ("x" . er/expand-region)))
 #+END_SRC
 
 ** Read and Edit MediaWiki pages in an Emacs window