diff --git a/src/Sitemap/EventSitemapProvider.php b/src/Sitemap/EventSitemapProvider.php
index 2bb4e73..6d06094 100644
--- a/src/Sitemap/EventSitemapProvider.php
+++ b/src/Sitemap/EventSitemapProvider.php
@@ -64,7 +64,7 @@ private function getLocaleByHost($host) {
         if(!\array_key_exists($host, $this->locales)) {
             $portalInformation = $this->webspaceManager->getPortalInformations();
             foreach ($portalInformation as $hostName => $portal) {
-                if($hostName === $host) {
+                if($hostName === $host || $portal->getHost() === $host) {
                     $this->locales[$host] = $portal->getLocale();
                 }
             }