diff --git a/octavia_tempest_plugin/tests/scenario/v2/test_ipv6_traffic_ops.py b/octavia_tempest_plugin/tests/scenario/v2/test_ipv6_traffic_ops.py
index 717ddf98..4efa2412 100644
--- a/octavia_tempest_plugin/tests/scenario/v2/test_ipv6_traffic_ops.py
+++ b/octavia_tempest_plugin/tests/scenario/v2/test_ipv6_traffic_ops.py
@@ -493,6 +493,8 @@ class IPv6TrafficOperationsScenarioTest(
         # wait until Neutron completes the SG update.
         # See https://bugs.launchpad.net/neutron/+bug/1866353.
         def expect_timeout_error(address, protocol, protocol_port):
+            if protocol != const.UDP:
+                address = "[{}]".format(address)
             try:
                 self.make_request(address, protocol=protocol,
                                   protocol_port=protocol_port)