diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 2f6578e..a40cde1 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -759,6 +759,8 @@
 		if target.company_address:
 			target.update(get_fetch_values("Delivery Note", "company_address", target.company_address))
 
+		# set target items names to ensure proper linking with packed_items
+		target.set_new_name()
 		make_packing_list(target)
 
 	def condition(doc):