@ -41,7 +41,7 @@ class SystemManagementPage extends AdminPage
function display_default()
{
$message = get_lang('RemoveOldDatabaseMessage');
$url = $this->url(array(PARAM_ACTION => 'drop_old_databases'));
$url = $this->url(array(self::PARAM_ACTION => 'drop_old_databases'));
$go = get_lang('go');
echo <<<EOT