diff --git a/smoketest/scripts/cli/test_vpn_sstp.py b/smoketest/scripts/cli/test_vpn_sstp.py
index 24673278b..f58920b5b 100755
--- a/smoketest/scripts/cli/test_vpn_sstp.py
+++ b/smoketest/scripts/cli/test_vpn_sstp.py
@@ -1,51 +1,63 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2020 VyOS maintainers and contributors
+# Copyright (C) 2020-2022 VyOS maintainers and contributors
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 or later as
 # published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import unittest
 
 from base_accel_ppp_test import BasicAccelPPPTest
-from vyos.util import cmd
+from vyos.util import read_file
+
 
 pki_path = ['pki']
 cert_data = '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'
 key_data = 'MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgPLpD0Ohhoq0g4nhx2KMIuze7ucKUt/lBEB2wc03IxXyhRANCAATTUestw222qrj8+2gy5rysxYSQ50G7u8/3jHMM7sDwL3aWzW/zp54/LhCWUoLMjDdDEEigK4fal4ZF9aA9F0Ww'
 
 class TestVPNSSTPServer(BasicAccelPPPTest.TestCase):
     def setUp(self):
         self._base_path = ['vpn', 'sstp']
         self._process_name = 'accel-pppd'
         self._config_file = '/run/accel-pppd/sstp.conf'
         self._chap_secrets = '/run/accel-pppd/sstp.chap-secrets'
         super().setUp()
 
     def tearDown(self):
         self.cli_delete(pki_path)
         super().tearDown()
 
     def basic_config(self):
         self.cli_delete(pki_path)
         self.cli_set(pki_path + ['ca', 'sstp', 'certificate', cert_data])
         self.cli_set(pki_path + ['certificate', 'sstp', 'certificate', cert_data])
         self.cli_set(pki_path + ['certificate', 'sstp', 'private', 'key', key_data])
+
         # SSL is mandatory
         self.set(['ssl', 'ca-certificate', 'sstp'])
         self.set(['ssl', 'certificate', 'sstp'])
         self.set(['client-ip-pool', 'subnet', '192.0.2.0/24'])
 
         super().basic_config()
 
+    def test_accel_local_authentication(self):
+        # Change default port
+        port = '8443'
+        self.set(['port', port])
+
+        super().test_accel_local_authentication()
+
+        config = read_file(self._config_file)
+        self.assertIn(f'port={port}', config)
+
 if __name__ == '__main__':
     unittest.main(verbosity=2)