diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index 081e2fdf1..8268382bd 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -1322,6 +1322,8 @@ class HomeworkCommonsController < ApplicationController
           else
             new_homework_bank = add_to_homework_bank_f homework
             new_homework_bank.save!
+
+            homework.update_attributes!(homework_bank_id: new_homework_bank.id)
           end
 
         rescue Exception => e