diff --git a/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json b/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
index 82d3a7d..14bd47b 100644
--- a/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
+++ b/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
@@ -263,7 +263,7 @@
    "print_hide": 1, 
    "print_width": "120px", 
    "read_only": 0, 
-   "reqd": 0, 
+   "reqd": 1, 
    "width": "120px"
   }, 
   {
@@ -448,7 +448,7 @@
  ], 
  "idx": 1, 
  "istable": 1, 
- "modified": "2014-07-24 05:53:05.889457", 
+ "modified": "2014-08-01 06:14:28.707601", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Sales Invoice Item",