diff --git a/src/lib/FieldMapper/ContentTranslationFieldMapper/ContentDocumentFulltextFields.php b/src/lib/FieldMapper/ContentTranslationFieldMapper/ContentDocumentFulltextFields.php
index 1e8a930..1db71b0 100644
--- a/src/lib/FieldMapper/ContentTranslationFieldMapper/ContentDocumentFulltextFields.php
+++ b/src/lib/FieldMapper/ContentTranslationFieldMapper/ContentDocumentFulltextFields.php
@@ -177,7 +177,7 @@ private function doMapRelatedFields(Content $sourceContent, $languageCode, $maxD
     {
         $sourceContentId = $sourceContent->versionInfo->contentInfo->id;
         $relations = $this->contentHandler->loadRelationList(
-            $sourceContent->versionInfo->contentInfo->id,
+            $sourceContentId,
             $this->contentHandler->countRelations($sourceContentId)
         );