diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 2d0eb2b6c..111ec2cca 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -376,12 +376,12 @@ class AttachmentsController < ApplicationController
     respond_to do |format|
       format.js
     end
-  #rescue NoMethodError
-  #  @save_flag = false
-  #  @save_message = [] << l(:label_course_empty_select)
-  #  respond_to do |format|
-  #    format.js
-  #  end
+  rescue NoMethodError
+    @save_flag = false
+    @save_message = [] << l(:label_course_empty_select)
+    respond_to do |format|
+      format.js
+    end
   end
 
   def update_quotes attachment