diff --git a/neutron_lbaas/services/loadbalancer/plugin.py b/neutron_lbaas/services/loadbalancer/plugin.py
index 02084b138..177e11a7d 100644
--- a/neutron_lbaas/services/loadbalancer/plugin.py
+++ b/neutron_lbaas/services/loadbalancer/plugin.py
@@ -607,7 +607,7 @@ class LoadBalancerPluginv2(loadbalancerv2.LoadBalancerPluginBaseV2,
                     curr_listener['default_tls_container_id'])
             if 'sni_container_refs' not in listener:
                 listener['sni_container_ids'] = [
-                    container.tls_container_id for container in (
+                    container['tls_container_id'] for container in (
                         curr_listener['sni_containers'])]
 
             tls_containers_changed = False
diff --git a/neutron_lbaas/tests/unit/db/loadbalancer/test_db_loadbalancerv2.py b/neutron_lbaas/tests/unit/db/loadbalancer/test_db_loadbalancerv2.py
index 9cf901055..2fc39f5c5 100644
--- a/neutron_lbaas/tests/unit/db/loadbalancer/test_db_loadbalancerv2.py
+++ b/neutron_lbaas/tests/unit/db/loadbalancer/test_db_loadbalancerv2.py
@@ -1377,6 +1377,52 @@ class LbaasListenerTests(ListenerTestBase):
             )
             self.assertEqual('', listener['default_tls_container_ref'])
 
+    def test_update_listener_without_sni_container_refs(self):
+        default_tls_container_ref = uuidutils.generate_uuid()
+        sni_tls_container_ref_1 = uuidutils.generate_uuid()
+        sni_tls_container_ref_2 = uuidutils.generate_uuid()
+
+        listener_data = {
+            'protocol': lb_const.PROTOCOL_TERMINATED_HTTPS,
+            'default_tls_container_ref': default_tls_container_ref,
+            'sni_container_refs': [sni_tls_container_ref_1,
+                                   sni_tls_container_ref_2],
+            'protocol_port': 443,
+            'admin_state_up': True,
+            'tenant_id': self._tenant_id,
+            'loadbalancer_id': self.lb_id
+        }
+
+        with mock.patch('neutron_lbaas.services.loadbalancer.plugin.'
+                       'cert_parser.validate_cert') as validate_cert_mock,\
+                mock.patch('neutron_lbaas.services.loadbalancer.plugin.'
+                           'CERT_MANAGER_PLUGIN.CertManager.'
+                           'get_cert') as get_cert_mock:
+            get_cert_mock.start().return_value = CertMock(
+                'mock_cert')
+            validate_cert_mock.start().return_value = True
+
+            # Default container and two SNI containers
+            # Test order and validation behavior.
+            listener = self.plugin.create_listener(
+                context.get_admin_context(), {'listener': listener_data})
+            expected = [sni_tls_container_ref_1, sni_tls_container_ref_2]
+            self.assertEqual(expected, listener['sni_container_refs'])
+            # No changes on default container and the containers list
+            # Only update the listener name
+            # Test getting info from current and validation behavior.
+            updated_name = 'Updated Listener'
+            listener_data = {'name': updated_name}
+            listener = self.plugin.update_listener(
+                context.get_admin_context(),
+                listener['id'],
+                {'listener': listener_data}
+            )
+            self.assertEqual(default_tls_container_ref,
+                             listener['default_tls_container_ref'])
+            self.assertEqual(expected, listener['sni_container_refs'])
+            self.assertEqual(updated_name, listener['name'])
+
     def test_delete_listener(self):
         with self.listener(no_delete=True,
                            loadbalancer_id=self.lb_id) as listener: