diff --git a/wp-admin/upgrade.php b/wp-admin/upgrade.php
index d25c0fb9de..db455d833d 100644
--- a/wp-admin/upgrade.php
+++ b/wp-admin/upgrade.php
@@ -1,9 +1,9 @@
-<?php
+l<?php
 $_wp_installing = 1;
 if (!file_exists('../wp-config.php')) die("There doesn't seem to be a wp-config.php file. Double check that you updated wp-config-sample.php with the proper database connection information and renamed it to wp-config.php.");
 require('../wp-config.php');
 timer_start();
-require('upgrade-functions.php');
+require_once(ABSPATH . '/wp-admin/upgrade-functions.php');
 
 $step = $_GET['step'];
 if (!$step) $step = 0;