diff --git a/core/autoload.php b/core/autoload.php
index 73c8d8367..ee5e67b42 100644
--- a/core/autoload.php
+++ b/core/autoload.php
@@ -22,6 +22,7 @@ MetaModel::IncludeModule('application/user.preferences.class.inc.php');
 MetaModel::IncludeModule('application/user.dashboard.class.inc.php');
 MetaModel::IncludeModule('application/audit.rule.class.inc.php');
 MetaModel::IncludeModule('application/query.class.inc.php');
+MetaModel::IncludeModule('setup/moduleinstallation.class.inc.php');
 
 MetaModel::IncludeModule('core/event.class.inc.php');
 MetaModel::IncludeModule('core/action.class.inc.php');