diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index e9ba56b..53ab7b5 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -66,3 +66,4 @@
 erpnext.patches.v4_0.set_naming_series_property_setter
 erpnext.patches.v4_1.set_outgoing_email_footer
 erpnext.patches.v4_1.fix_jv_remarks
+erpnext.patches.v4_1.fix_sales_order_delivered_status
diff --git a/erpnext/patches/v4_1/fix_sales_order_delivered_status.py b/erpnext/patches/v4_1/fix_sales_order_delivered_status.py
new file mode 100644
index 0000000..f66d856
--- /dev/null
+++ b/erpnext/patches/v4_1/fix_sales_order_delivered_status.py
@@ -0,0 +1,15 @@
+# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	for si in frappe.db.sql_list("""select name
+		from `tabSales Invoice`
+		where ifnull(update_stock,0) = 1 and docstatus = 1 and exists(
+			select name from `tabSales Invoice Item` where parent=`tabSales Invoice`.name and
+				ifnull(so_detail, "") != "")"""):
+
+		invoice = frappe.get_doc("Sales Invoice", si)
+		invoice.update_qty()