@ -31,8 +31,8 @@ try {
$systemConfig = \OC::$server->getSystemConfig();
$installed = $systemConfig->getValue('installed') == 1;
$maintenance = $systemConfig->getValue('maintenance', false);
$installed = (bool) $systemConfig->getValue('installed', false);
$maintenance = (bool) $systemConfig->getValue('maintenance', false);
$values=array(
'installed'=>$installed,
'maintenance' => $maintenance,