diff --git a/account_invoice_tax_required/__manifest__.py b/account_invoice_tax_required/__manifest__.py
index f13104816..1be008f55 100644
--- a/account_invoice_tax_required/__manifest__.py
+++ b/account_invoice_tax_required/__manifest__.py
@@ -4,7 +4,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 {
     'name': "Tax required in invoice",
-    'version': "10.0.1.0.1",
+    'version': "10.0.1.0.2",
     "author": "Camptocamp,Tecnativa,Odoo Community Association (OCA)",
     'website': "http://www.camptocamp.com",
     'category': "Localisation / Accounting",
diff --git a/account_invoice_tax_required/models/account_invoice.py b/account_invoice_tax_required/models/account_invoice.py
index 37886588f..d2ad67d34 100644
--- a/account_invoice_tax_required/models/account_invoice.py
+++ b/account_invoice_tax_required/models/account_invoice.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 # Copyright 2015 - Camptocamp SA - Author Vincent Renaville
 # Copyright 2016 - Tecnativa - Angel Moya <odoo@tecnativa.com>
+# Copyright 2019 - Tecnativa - Pedro M. Baeza
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 from odoo import models, api, _
@@ -26,7 +27,7 @@ class AccountInvoice(models.Model):
             )
 
     @api.multi
-    def invoice_validate(self):
+    def action_invoice_open(self):
         # Always test if it is required by context
         force_test = self.env.context.get('test_tax_required')
         skip_test = any((
@@ -40,4 +41,4 @@ class AccountInvoice(models.Model):
         ))
         if force_test or not skip_test:
             self._test_invoice_line_tax()
-        return super(AccountInvoice, self).invoice_validate()
+        return super(AccountInvoice, self).action_invoice_open()