diff --git a/src/org/jgroups/stack/DiagnosticsHandler.java b/src/org/jgroups/stack/DiagnosticsHandler.java
index 436e98f..2b13e18 100644
--- a/src/org/jgroups/stack/DiagnosticsHandler.java
+++ b/src/org/jgroups/stack/DiagnosticsHandler.java
@@ -177,8 +177,7 @@
             udp_ucast_sock=socket_factory.createDatagramSocket("jgroups.tp.diag.udp_ucast_sock");
 
         if(udp_mcast_sock == null || udp_mcast_sock.isClosed()) {
-            udp_mcast_sock=socket_factory.createMulticastSocket("jgroups.tp.diag.udp_mcast_sock",
-                                                                new InetSocketAddress(diagnostics_addr, diagnostics_port));
+			udp_mcast_sock = socket_factory.createMulticastSocket("jgroups.tp.diag.udp_mcast_sock", diagnostics_port);
             try {
                 udp_mcast_sock.setTimeToLive(ttl);
             }