diff --git a/erpnext/patches/Discount_purchase_cycle.py b/erpnext/patches/Discount_purchase_cycle.py
old mode 100644
new mode 100755
index 0edc643..6be37f2
--- a/erpnext/patches/Discount_purchase_cycle.py
+++ b/erpnext/patches/Discount_purchase_cycle.py
@@ -2,6 +2,6 @@
 	import webnotes
 	from webnotes.modules.module_manager import reload_doc
 
-	reload_doc('accounts', 'doctype', 'payable_voucher')
-	reload_doc('buying', 'doctype', 'purchase_common')
+	reload_doc('accounts', 'doctype', 'pv_detail')
+	reload_doc('buying', 'doctype', 'po_detail')
 	reload_doc('stock', 'doctype', 'purchase_receipt_detail')