diff --git a/Classes/Task/IndexQueueWorkerTaskAdditionalFieldProvider.php b/Classes/Task/IndexQueueWorkerTaskAdditionalFieldProvider.php
index 90438678e0..0a83e59b9a 100644
--- a/Classes/Task/IndexQueueWorkerTaskAdditionalFieldProvider.php
+++ b/Classes/Task/IndexQueueWorkerTaskAdditionalFieldProvider.php
@@ -35,14 +35,9 @@
  */
 class IndexQueueWorkerTaskAdditionalFieldProvider extends AbstractAdditionalFieldProvider
 {
-    /**
-     * SiteRepository
-     */
-    protected SiteRepository $siteRepository;
-
-    public function __construct()
-    {
-        $this->siteRepository = GeneralUtility::makeInstance(SiteRepository::class);
+    public function __construct(
+        protected readonly SiteRepository $siteRepository
+    ) {
     }
 
     /**
diff --git a/Configuration/Services.yaml b/Configuration/Services.yaml
index ad545a02af..befa04ed22 100644
--- a/Configuration/Services.yaml
+++ b/Configuration/Services.yaml
@@ -49,7 +49,7 @@ services:
         event: TYPO3\CMS\Backend\View\Event\PageContentPreviewRenderingEvent
   # END: BE modules
 
-  viewhelper_backend:
+  viewHelpers_backend:
     namespace: ApacheSolrForTypo3\Solr\ViewHelpers\Backend\
     resource: '../Classes/ViewHelpers/Backend/*'
     public: true
@@ -267,6 +267,10 @@ services:
     tags:
       - name: event.listener
         identifier: 'solr.index.FrontendHelper.PageIndexer.indexPageContentAfterCacheableContentIsGenerated'
+  ApacheSolrForTypo3\Solr\Task\IndexQueueWorkerTaskAdditionalFieldProvider:
+    public: true
+    arguments:
+      $siteRepository: '@ApacheSolrForTypo3\Solr\Domain\Site\SiteRepository'
 
   ApacheSolrForTypo3\Solr\EventListener\PageIndexer\AdditionalFieldsForPageIndexing:
     autowire: true