diff --git a/servicetalk-http-netty/src/test/java/io/servicetalk/http/netty/ProxyTunnel.java b/servicetalk-http-netty/src/test/java/io/servicetalk/http/netty/ProxyTunnel.java
index 938aae245e..7a3c9e8179 100644
--- a/servicetalk-http-netty/src/test/java/io/servicetalk/http/netty/ProxyTunnel.java
+++ b/servicetalk-http-netty/src/test/java/io/servicetalk/http/netty/ProxyTunnel.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2020 Apple Inc. and the ServiceTalk project authors
+ * Copyright © 2020-2021 Apple Inc. and the ServiceTalk project authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -61,6 +61,7 @@ public void close() throws Exception {
 
     HostAndPort startProxy() throws IOException {
         serverSocket = new ServerSocket(0, 50, getLoopbackAddress());
+        final InetSocketAddress serverSocketAddress = (InetSocketAddress) serverSocket.getLocalSocketAddress();
         executor.submit(() -> {
             while (!executor.isShutdown()) {
                 final Socket socket = serverSocket.accept();
@@ -86,7 +87,8 @@ HostAndPort startProxy() throws IOException {
             }
             return null;
         });
-        return HostAndPort.of((InetSocketAddress) serverSocket.getLocalSocketAddress());
+
+        return HostAndPort.of(serverSocketAddress.getAddress().getHostAddress(), serverSocketAddress.getPort());
     }
 
     void badResponseProxy() {