diff --git a/erpnext/stock/doctype/pick_list/pick_list.py b/erpnext/stock/doctype/pick_list/pick_list.py
index 231af1a..1f8d009 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.py
+++ b/erpnext/stock/doctype/pick_list/pick_list.py
@@ -300,6 +300,7 @@
 	set_delivery_note_missing_values(delivery_note)
 
 	delivery_note.pick_list = pick_list.name
+	delivery_note.customer = pick_list.customer if pick_list.customer else None
 
 	return delivery_note