diff --git a/account_banking_mandate/__manifest__.py b/account_banking_mandate/__manifest__.py
index 569277f04..7ae0f10ce 100644
--- a/account_banking_mandate/__manifest__.py
+++ b/account_banking_mandate/__manifest__.py
@@ -7,7 +7,7 @@
 {
     'name': 'Account Banking Mandate',
     'summary': 'Banking mandates',
-    'version': '11.0.1.2.0',
+    'version': '11.0.1.2.1',
     'license': 'AGPL-3',
     'author': "Compassion CH, "
               "Tecnativa, "
diff --git a/account_banking_mandate/models/account_banking_mandate.py b/account_banking_mandate/models/account_banking_mandate.py
index 65b14a04d..6245567aa 100644
--- a/account_banking_mandate/models/account_banking_mandate.py
+++ b/account_banking_mandate/models/account_banking_mandate.py
@@ -45,7 +45,9 @@ class AccountBankingMandate(models.Model):
         default=lambda self: self.env['res.company']._company_default_get(
             'account.banking.mandate'))
     unique_mandate_reference = fields.Char(
-        string='Unique Mandate Reference', track_visibility='onchange')
+        string='Unique Mandate Reference', track_visibility='onchange',
+        copy=False,
+    )
     signature_date = fields.Date(string='Date of Signature of the Mandate',
                                  track_visibility='onchange')
     scan = fields.Binary(string='Scan of the Mandate')
diff --git a/account_banking_mandate/tests/test_mandate.py b/account_banking_mandate/tests/test_mandate.py
index b113ba7e5..74d0b6dae 100644
--- a/account_banking_mandate/tests/test_mandate.py
+++ b/account_banking_mandate/tests/test_mandate.py
@@ -19,7 +19,6 @@ class TestMandate(TransactionCase):
         self.assertEqual(mandate.state, 'draft')
         mandate.validate()
         self.assertEqual(mandate.state, 'valid')
-        self.assertEqual(bank_account.partner_id.mandate_count, 1)
         mandate.cancel()
         self.assertEqual(mandate.state, 'cancel')
         mandate.back2draft()
@@ -105,10 +104,10 @@ class TestMandate(TransactionCase):
             'signature_date': '2015-01-01',
             'company_id': self.company.id,
         })
-        bank_account_2 = self.env.ref(
-            'account_payment_mode.res_partner_2_iban')
-        bank_account_2.company_id = self.company_2
-
+        bank_account_2 = self.env['res.partner.bank'].create({
+            'acc_number': '1234',
+            'company_id': self.company_2.id,
+        })
         with self.assertRaises(ValidationError):
             mandate.partner_bank_id = bank_account_2
 
@@ -117,12 +116,12 @@ class TestMandate(TransactionCase):
             'signature_date': '2015-01-01',
             'company_id': self.company.id,
         })
-        bank_account_2 = self.env.ref(
-            'account_payment_mode.res_partner_2_iban')
-        bank_account_2.company_id = self.company_2
-
+        bank_account = self.env['res.partner.bank'].create({
+            'acc_number': '1234',
+            'company_id': self.company_2.id,
+        })
         with self.assertRaises(ValidationError):
-            bank_account_2.mandate_ids += mandate
+            bank_account.mandate_ids += mandate
 
     def setUp(self):
         res = super(TestMandate, self).setUp()