@ -64,7 +64,8 @@ def chunk_directory_path(instance, filename):
item = instance.item
col = item.collection
user_id = col.owner.id
return Path('user_{}'.format(user_id), col.uid, item.uid, instance.uid)
item_uid = item.uid or 'main'
return Path('user_{}'.format(user_id), col.uid, item_uid, instance.uid)
class CollectionItemChunk(models.Model):