minor fix

src/Service/Organization/OrganizationFactory.php

@@ -36,6 +36,7 @@ use App\Service\Typo3\BindFileService;
 use App\Service\Typo3\SubdomainService;
 use App\Service\Typo3\Typo3Service;
 use App\Service\Utils\DatesUtils;
+use App\Service\Utils\UrlBuilder;
 use Doctrine\ORM\EntityManagerInterface;
 use Elastica\Param;
 use libphonenumber\NumberParseException;
@@ -753,7 +754,7 @@ class OrganizationFactory
     protected function updateAdminassosDb(Organization $organization): void
     {
         $response = $this->apiLegacyRequestService->get(
-            '/_internal/request/adminassos/create/organization/'.$organization->getId()
+            UrlBuilder::concatPath('/_internal/request/adminassos/create/organization/', [(string)$organization->getId()])
         );
 
         if ($response->getStatusCode() !== Response::HTTP_OK) {