1 files changed, 1 insertions, 0 deletions

diff --git a/index.php b/index.php
index f648f67c6c..f4a0b31a08 100644
--- a/index.php
+++ b/index.php
@@ -29,6 +29,7 @@ if(!defined('PIWIK_INCLUDE_PATH'))
 	define('PIWIK_INCLUDE_PATH', PIWIK_DOCUMENT_ROOT);
 }
 
+require_once PIWIK_INCLUDE_PATH . '/libs/upgradephp/upgrade.php';
 require_once PIWIK_INCLUDE_PATH . '/core/testMinimumPhpVersion.php';
 
 // NOTE: the code above this comment must be PHP4 compatible