diff --git a/lib/session.rb b/lib/session.rb
index df7416383..01a9ec569 100644
--- a/lib/session.rb
+++ b/lib/session.rb
@@ -824,6 +824,7 @@ class ClientState
     self.user( ticket['owner_id'], users )
     self.user( ticket['customer_id'], users )
     self.user( ticket['created_by_id'], users )
+    self.user( ticket['updated_by_id'], users )
   end
 
   # add user if needed