diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 47b8ebd3485..1c2482568ff 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -925,6 +925,7 @@ def make_purchase_order(source_name, selected_items=None, target_doc=None):
 				"supplier",
 				"pricing_rules"
 			],
+			"condition": lambda doc: doc.parent_item in items_to_map
 		}
 	}, target_doc, set_missing_values)