[fix] recurring patch for purchase
diff --git a/erpnext/patches/v6_27/fix_recurring_order_status.py b/erpnext/patches/v6_27/fix_recurring_order_status.py
index c67973a..5843c9f 100644
--- a/erpnext/patches/v6_27/fix_recurring_order_status.py
+++ b/erpnext/patches/v6_27/fix_recurring_order_status.py
@@ -11,41 +11,44 @@
 			"stock_doctype": "Delivery Note",
 			"invoice_doctype": "Sales Invoice",
 			"stock_doctype_ref_field": "against_sales_order",
-			"invoice_ref_field": "sales_order"
+			"invoice_ref_field": "sales_order",
+			"qty_field": "delivered_qty"
 		},
 		{
 			"doctype": "Purchase Order",
 			"stock_doctype": "Purchase Receipt",
 			"invoice_doctype": "Purchase Invoice",
 			"stock_doctype_ref_field": "prevdoc_docname",
-			"invoice_ref_field": "purchase_order"
+			"invoice_ref_field": "purchase_order",
+			"qty_field": "received_qty"
 		}):
-		
-		order_list = frappe.db.sql("""select name from `tab{0}` 
-			where docstatus=1 and is_recurring=1 
+
+		order_list = frappe.db.sql("""select name from `tab{0}`
+			where docstatus=1 and is_recurring=1
 			and ifnull(recurring_id, '') != name and creation >= '2016-01-25'"""
 			.format(doc["doctype"]), as_dict=1)
-	
+
 		for order in order_list:
-			frappe.db.sql("""update `tab{0} Item` 
-				set delivered_qty=0, billed_amt=0 where parent=%s""".format(doc["doctype"]), order.name)
-		
+			frappe.db.sql("""update `tab{0} Item`
+				set {1}=0, billed_amt=0 where parent=%s""".format(doc["doctype"],
+					doc["qty_field"]), order.name)
+
 			# Check against Delivery Note and Purchase Receipt
-			stock_doc_list = frappe.db.sql("""select distinct parent from `tab{0} Item` 
+			stock_doc_list = frappe.db.sql("""select distinct parent from `tab{0} Item`
 				where docstatus=1 and ifnull({1}, '')=%s"""
 				.format(doc["stock_doctype"], doc["stock_doctype_ref_field"]), order.name)
-			
+
 			if stock_doc_list:
 				for dn in stock_doc_list:
 					frappe.get_doc(doc["stock_doctype"], dn[0]).update_qty(update_modified=False)
-		
+
 			# Check against Invoice
-			invoice_list = frappe.db.sql("""select distinct parent from `tab{0} Item` 
+			invoice_list = frappe.db.sql("""select distinct parent from `tab{0} Item`
 				where docstatus=1 and ifnull({1}, '')=%s"""
 				.format(doc["invoice_doctype"], doc["invoice_ref_field"]), order.name)
-			
+
 			if invoice_list:
 				for dn in invoice_list:
 					frappe.get_doc(doc["invoice_doctype"], dn[0]).update_qty(update_modified=False)
-		
+
 			frappe.get_doc(doc["doctype"], order.name).set_status(update=True, update_modified=False)
\ No newline at end of file