diff --git a/app/models/ownership.rb b/app/models/ownership.rb
index 8f1fb2dd030..153f56f9c5c 100644
--- a/app/models/ownership.rb
+++ b/app/models/ownership.rb
@@ -1,5 +1,5 @@
 class Ownership < ApplicationRecord
-  self.ignored_columns = %w[ownership_request_notifier]
+  self.ignored_columns += %w[ownership_request_notifier]
 
   belongs_to :rubygem
   belongs_to :user