gistfile1.diff

diff --git a/src/org/jruby/ext/socket/RubyTCPServer.java b/src/org/jruby/ext/socket/RubyTCPServer.java
index e313e74..17326ec 100644
--- a/src/org/jruby/ext/socket/RubyTCPServer.java
+++ b/src/org/jruby/ext/socket/RubyTCPServer.java
@@ -31,6 +31,7 @@ import java.io.FileDescriptor;
 import java.io.IOException;
 
 import java.net.BindException;
+import java.net.Inet4Address;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.UnknownHostException;
@@ -98,7 +99,7 @@ public class RubyTCPServer extends RubyTCPSocket {
 
         String shost = hostname.convertToString().toString();
         try {
-            InetAddress addr = InetAddress.getByName(shost);
+            InetAddress addr = Inet4Address.getByName(shost);
             ssc = ServerSocketChannel.open();
 
             int portInt;