diff --git a/src/Bundle/ChillDocStoreBundle/AsyncUpload/SignedUrl.php b/src/Bundle/ChillDocStoreBundle/AsyncUpload/SignedUrl.php
index 1047e1344..ec0debca9 100644
--- a/src/Bundle/ChillDocStoreBundle/AsyncUpload/SignedUrl.php
+++ b/src/Bundle/ChillDocStoreBundle/AsyncUpload/SignedUrl.php
@@ -21,6 +21,7 @@ readonly class SignedUrl
         #[Serializer\Groups(['read'])]
         public string $url,
         public \DateTimeImmutable $expires,
+        #[Serializer\Groups(['read'])]
         public string $object_name,
     ) {}