diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
index 4a1685b04b..b0b9679bde 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
@@ -324,10 +324,12 @@ cur_frm.cscript.hide_fields = function(doc) {
 		}
 	}
 
+	/*
 	var item_fields_stock = ['batch_no', 'actual_batch_qty', 'actual_qty', 'expense_account',
 		'warehouse', 'expense_account', 'quality_inspection']
 	cur_frm.fields_dict['items'].grid.set_column_disp(item_fields_stock,
 		(cint(doc.update_stock)==1 || cint(doc.is_return)==1 ? true : false));
+	*/
 
 	// India related fields
 	if (frappe.boot.sysdefaults.country == 'India') unhide_field(['c_form_applicable', 'c_form_no']);
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index fd4598cf0a..c545ee1d5d 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -131,6 +131,8 @@ class SalesInvoice(SellingController):
 		if not self.is_return:
 			self.update_billing_status_for_zero_amount_refdoc("Sales Order")
 			self.check_credit_limit()
+
+		if self.update_stock:
 			self.update_serial_no()
 
 		if not cint(self.is_pos) == 1 and not self.is_return:
@@ -793,19 +795,18 @@ class SalesInvoice(SellingController):
 
 	def update_serial_no(self, in_cancel=False):
 		""" update Sales Invoice refrence in Serial No """
+		invoice = None if (in_cancel or self.is_return) else self.name
+		if in_cancel and self.is_return:
+			invoice = self.return_against
 
 		for item in self.items:
 			if not item.serial_no:
 				continue
 
-			serial_nos = ["'%s'"%serial_no for serial_no in item.serial_no.split("\n")]
-
-			frappe.db.sql(""" update `tabSerial No` set sales_invoice='{invoice}'
-				where name in ({serial_nos})""".format(
-					invoice='' if in_cancel else self.name,
-					serial_nos=",".join(serial_nos)
-				)
-			)
+			for serial_no in item.serial_no.split("\n"):
+				sno = frappe.get_doc('Serial No', serial_no)
+				sno.sales_invoice = invoice
+				sno.db_update()
 
 	def validate_serial_numbers(self):
 		"""
diff --git a/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json b/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
index 9f7085ad54..59af618525 100644
--- a/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
+++ b/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
@@ -1423,7 +1423,7 @@
    "collapsible": 1, 
    "collapsible_depends_on": "eval:doc.serial_no || doc.batch_no", 
    "columns": 0, 
-   "depends_on": "eval: parent.update_stock", 
+   "depends_on": "", 
    "fieldname": "warehouse_and_reference", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -2165,7 +2165,7 @@
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2017-05-10 17:14:42.681757", 
+ "modified": "2017-07-03 19:34:14.820285", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Sales Invoice Item",