diff --git a/includes/User.php b/includes/User.php
index cec7cfd8024..d89e45e3e72 100644
--- a/includes/User.php
+++ b/includes/User.php
@@ -110,6 +110,7 @@ class User {
 		'importupload',
 		'ipblock-exempt',
 		'markbotedits',
+		'mergehistory',
 		'minoredit',
 		'move',
 		'movefile',