diff --git a/stock/doctype/purchase_receipt_item/purchase_receipt_item.txt b/stock/doctype/purchase_receipt_item/purchase_receipt_item.txt
index fd73c879ff8..8c20d4cd676 100755
--- a/stock/doctype/purchase_receipt_item/purchase_receipt_item.txt
+++ b/stock/doctype/purchase_receipt_item/purchase_receipt_item.txt
@@ -2,7 +2,7 @@
  {
   "creation": "2013-02-07 08:28:23", 
   "docstatus": 0, 
-  "modified": "2013-02-08 14:06:15", 
+  "modified": "2013-02-11 08:13:11", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -385,6 +385,7 @@
   "hidden": 1, 
   "in_filter": 0, 
   "label": "Raw Materials Supplied Cost", 
+  "no_copy": 1, 
   "oldfieldname": "rm_supp_cost", 
   "oldfieldtype": "Currency", 
   "options": "Company:company:default_currency",