diff --git a/partner_contact_birthdate/__manifest__.py b/partner_contact_birthdate/__manifest__.py
index a8566aa2a..468dabeea 100644
--- a/partner_contact_birthdate/__manifest__.py
+++ b/partner_contact_birthdate/__manifest__.py
@@ -4,7 +4,7 @@
 
 {
     "name": "Contact's birthdate",
-    "version": "10.0.1.0.0",
+    "version": "10.0.1.1.0",
     "author": "Tecnativa,"
               "Odoo Community Association (OCA)",
     "category": "Customer Relationship Management",
diff --git a/partner_contact_birthdate/models/res_partner.py b/partner_contact_birthdate/models/res_partner.py
index 829771d11..d4ba59d70 100644
--- a/partner_contact_birthdate/models/res_partner.py
+++ b/partner_contact_birthdate/models/res_partner.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # Copyright (C) 2014-2015  Grupo ESOC <www.grupoesoc.es>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from odoo import _, api, fields, models
+from odoo import api, fields, models
 import logging
 
 
@@ -30,9 +30,4 @@ class ResPartner(models.Model):
     @api.one
     def _birthdate_inverse(self):
         """Convert the old Char date to the new Date format."""
-        try:
-            self.birthdate_date = self.birthdate
-        except ValueError:
-            _logger.warn(
-                _("Could not convert '{0.birthdate}' to date in "
-                  "res.partner {0.id} ({0.name}). Skipping.").format(self))
+        self.birthdate_date = self.birthdate
diff --git a/partner_contact_birthdate/tests/test_birthdate.py b/partner_contact_birthdate/tests/test_birthdate.py
index 7cfa2e695..7799ad6a0 100644
--- a/partner_contact_birthdate/tests/test_birthdate.py
+++ b/partner_contact_birthdate/tests/test_birthdate.py
@@ -28,12 +28,7 @@ class BadCase(TransactionCase):
     def setUp(self):
         super(BadCase, self).setUp()
         self.partner = self.env["res.partner"].create({"name": str(self)})
-        self.birthdate = date.today()
-
-    def tearDown(self):
-        self.assertNotEqual(self.partner.birthdate,
-                            self.partner.birthdate_date)
-        super(BadCase, self).tearDown()
 
     def test_old_to_new(self):
-        self.partner.birthdate = "Not a date"
+        with self.assertRaises(ValueError):
+            self.partner.birthdate = "Not a date"