X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/63e8f77e963949d4187555411e7b5c60fc850468..35336cd73e444534cb2eda20e3730464cc4e6553:/services/api/app/models/arvados_model.rb

diff --git a/services/api/app/models/arvados_model.rb b/services/api/app/models/arvados_model.rb
index 9475f0dd1d..84bdf95763 100644
--- a/services/api/app/models/arvados_model.rb
+++ b/services/api/app/models/arvados_model.rb
@@ -140,7 +140,7 @@ class ArvadosModel < ActiveRecord::Base
 
   def update_modified_by_fields
     self.created_at ||= Time.now
-    self.owner_uuid ||= current_default_owner
+    self.owner_uuid ||= current_default_owner if self.respond_to? :owner_uuid=
     self.modified_at = Time.now
     self.modified_by_user_uuid = current_user ? current_user.uuid : nil
     self.modified_by_client_uuid = current_api_client ? current_api_client.uuid : nil