diff --git a/handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java b/handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java
index 1f46d79215..cfe1fd9ec4 100644
--- a/handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java
+++ b/handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java
@@ -835,7 +835,7 @@ public abstract class SSLEngineTest {
             }
         });
 
-        serverChannel = sb.bind(new InetSocketAddress(8443)).sync().channel();
+        serverChannel = sb.bind(new InetSocketAddress(0)).sync().channel();
         int port = ((InetSocketAddress) serverChannel.localAddress()).getPort();
 
         ChannelFuture ccf = cb.connect(new InetSocketAddress(NetUtil.LOCALHOST, port));