diff --git a/phpBB/includes/ucp/ucp_groups.php b/phpBB/includes/ucp/ucp_groups.php
index 418b68e436..d6e5a34385 100644
--- a/phpBB/includes/ucp/ucp_groups.php
+++ b/phpBB/includes/ucp/ucp_groups.php
@@ -88,7 +88,7 @@ class ucp_groups
 							{
 								group_user_attributes('default', $group_id, $user->data['user_id']);
 
-								add_log('user', $user->data['user_id'], 'LOG_USER_GROUP_CHANGE', sprintf($user->lang['USER_GROUP_CHANGE'], $group_row[$group_id]['group_name'], $group_row[$user->data['group_id']]['group_name']));
+								add_log('user', $user->data['user_id'], 'LOG_USER_GROUP_CHANGE', sprintf($user->lang['USER_GROUP_CHANGE'], $group_row[$user->data['group_id']]['group_name'], $group_row[$group_id]['group_name']));
 
 								meta_refresh(3, $this->u_action);
 								trigger_error($user->lang['CHANGED_DEFAULT_GROUP'] . $return_page);