diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index ca3bd90..e7d422d 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -67,6 +67,9 @@
 		self.set_received_qty_for_drop_ship_items()
 		validate_inter_company_party(self.doctype, self.supplier, self.company, self.inter_company_order_reference)
 
+		from erpnext.stock.doctype.packed_item.packed_item import make_packing_list
+		make_packing_list(self)
+
 	def validate_with_previous_doc(self):
 		super(PurchaseOrder, self).validate_with_previous_doc({
 			"Supplier Quotation": {