From 2f800521cb9db1aa3d96e240d1a0f22b7a529994 Mon Sep 17 00:00:00 2001
From: Anand Doshi <anand@erpnext.com>
Date: Wed, 18 Jun 2014 12:48:46 +0530
Subject: [PATCH] Don't set default for warehouse when creating serial no

---
 erpnext/stock/doctype/serial_no/serial_no.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/erpnext/stock/doctype/serial_no/serial_no.py b/erpnext/stock/doctype/serial_no/serial_no.py
index ff4d519cf9..fe4af21d78 100644
--- a/erpnext/stock/doctype/serial_no/serial_no.py
+++ b/erpnext/stock/doctype/serial_no/serial_no.py
@@ -278,13 +278,16 @@ def get_serial_nos(serial_no):
 
 def make_serial_no(serial_no, sle):
 	sr = frappe.new_doc("Serial No")
+	sr.warehouse = None
+	sr.dont_update_if_missing.append("warehouse")
 	sr.ignore_permissions = True
+
 	sr.serial_no = serial_no
 	sr.item_code = sle.item_code
-	sr.warehouse = None
 	sr.company = sle.company
 	sr.via_stock_ledger = True
 	sr.insert()
+
 	sr.warehouse = sle.warehouse
 	sr.status = "Available"
 	sr.save()