diff --git a/app/models/ticket.rb b/app/models/ticket.rb
index 73c72a71b..f9e780bf4 100644
--- a/app/models/ticket.rb
+++ b/app/models/ticket.rb
@@ -57,6 +57,7 @@ class Ticket < ApplicationModel
       create_article_type_id: true,
       create_article_sender_id: true,
       article_count: true,
+      preferences: true,
     }
   )