diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 2379a304bb..5d341b746a 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -840,7 +840,8 @@ def make_purchase_order_for_default_supplier(source_name, selected_items=[], tar
 					"contact_email",
 					"contact_person",
 					"taxes_and_charges",
-					"shipping_address"
+					"shipping_address",
+					"terms"
 				],
 				"validation": {
 					"docstatus": ["=", 1]
@@ -859,7 +860,10 @@ def make_purchase_order_for_default_supplier(source_name, selected_items=[], tar
 				"field_no_map": [
 					"rate",
 					"price_list_rate",
-					"item_tax_template"
+					"item_tax_template",
+					"discount_percentage",
+					"discount_amount",
+					"pricing_rules"
 				],
 				"postprocess": update_item,
 				"condition": lambda doc: doc.ordered_qty < doc.stock_qty and doc.supplier == supplier and doc.item_code in items_to_map