diff --git a/patches/november_2012/update_delivered_billed_percentage_for_pos.py b/patches/november_2012/update_delivered_billed_percentage_for_pos.py
index 502a36a..0c9a8ad 100644
--- a/patches/november_2012/update_delivered_billed_percentage_for_pos.py
+++ b/patches/november_2012/update_delivered_billed_percentage_for_pos.py
@@ -2,7 +2,8 @@
 	import webnotes
 	from webnotes.model.code import get_obj
 	
-	sc_obj = get_obj("Sales Common")
+	#sc_obj = get_obj("Sales Common")
+	from selling.doctype.sales_common import sales_common
 	
 	si = webnotes.conn.sql("""select distinct si.name 
 		from `tabSales Invoice` si, `tabSales Invoice Item` si_item
@@ -12,4 +13,5 @@
 		and ifnull(si_item.sales_order, '') != ''
 	""")
 	for d in si:
-		sc_obj.update_prevdoc_detail(1, get_obj("Sales Invoice", d[0], with_children=1))
\ No newline at end of file
+		sales_common.StatusUpdater(get_obj("Sales Invoice", d[0], with_children=1), \
+		 	1).update_all_qty()
\ No newline at end of file