diff --git a/security/Member.php b/security/Member.php
index 33508d5ee..421b2f15c 100644
--- a/security/Member.php
+++ b/security/Member.php
@@ -866,6 +866,8 @@ class Member extends DataObject {
 		// Members are displayed within  group edit form in SecurityAdmin
 		$fields->removeByName('Groups');
 
+		$this->extend('updateCMSFields', $fields);
+		
 		return $fields;
 	}