diff --git a/app/views/origami/rooms/show.html.erb b/app/views/origami/rooms/show.html.erb
index b0568a34..c32bfe86 100755
--- a/app/views/origami/rooms/show.html.erb
+++ b/app/views/origami/rooms/show.html.erb
@@ -746,7 +746,7 @@ $('#back').on('click',function(){
 
 $('#add_invoice').on('click',function(){
   var dining_id = "<%= @room.id %>"
-  var sale_id = "<%= @obj_sale.sale_id rescue "" %>"
+  var sale_id = $("#sale_id").val(); //<%= @obj_sale.sale_id rescue "" %>
   var ajax_url = "/origami/sale/append_order";
   $.ajax({
     type: "POST",