diff --git a/api/funkwhale_api/music/factories.py b/api/funkwhale_api/music/factories.py
index 1d30b7b5a..c9bcae1e8 100644
--- a/api/funkwhale_api/music/factories.py
+++ b/api/funkwhale_api/music/factories.py
@@ -203,7 +203,7 @@ class TrackFactory(
 
 
 @registry.register
-class UploadGroupFactory(factory.django.DjangoModelFactory):
+class UploadGroupFactory(NoUpdateOnCreate, factory.django.DjangoModelFactory):
     name = factory.Faker("name")
 
     class Meta:
@@ -218,7 +218,7 @@ class UploadFactory(NoUpdateOnCreate, factory.django.DjangoModelFactory):
     audio_file = factory.django.FileField(
         from_path=os.path.join(SAMPLES_PATH, "test.ogg")
     )
-    upload_group = factory.SubFactory(UploadGroupFactory)
+    upload_group = factory.RelatedFactory(UploadGroupFactory)
 
     bitrate = None
     size = None