diff --git a/eopayment/paybox.py b/eopayment/paybox.py
index acdf2bf..20e3b43 100644
--- a/eopayment/paybox.py
+++ b/eopayment/paybox.py
@@ -207,7 +207,6 @@ class Payment(PaymentCommon):
         d['PBX_RETOUR'] = 'montant:M;reference:R;code_autorisation:A;erreur:E;signature:K'
         d['PBX_HASH'] = 'SHA512'
         d['PBX_TIME'] = kwargs.get('time') or (unicode(datetime.datetime.utcnow().isoformat('T')).split('.')[0]+'+00:00')
-        d['PBX_ERRORCODETEST'] = '77777'
         d['PBX_ARCHIVAGE'] = transaction_id
         if self.callback:
             d['PBX_REPONDRE_A'] = unicode(self.callback)
diff --git a/tests/paybox.py b/tests/paybox.py
index 9b76e99..54a422a 100644
--- a/tests/paybox.py
+++ b/tests/paybox.py
@@ -65,9 +65,8 @@ class PayboxTests(TestCase):
                     'PBX_TOTAL': '1999',
                     'PBX_DEVISE': '978',
                     'PBX_HASH': 'SHA512',
-                    'PBX_HMAC': 'BA570AF3F5FBF741D3746A9778DB421A68A339669502E9FB2459D0B01EE9E9A88BD499300E6BCE99F729D8FEEE72BDC2F95521F06D2DA1C0924905D1244C6F17',
+                    'PBX_HMAC': '88CE727DAB03EB87DE1637AAE01C49A57566A932ABEEB7B788620665ADCA148B732BA8EC50866406ADF308CD78FCA683106041FFEFF1837181C03E784211A61A',
                     'PBX_ARCHIVAGE': '1234',
-                    'PBX_ERRORCODETEST': '77777',
                     'PBX_REPONDRE_A': 'http://example.com/callback',
                 }
                 self.assertIn(name, values)