diff --git a/src/Tcpserver.php b/src/Tcpserver.php
index 144c090..1c9051a 100644
--- a/src/Tcpserver.php
+++ b/src/Tcpserver.php
@@ -64,6 +64,8 @@ class Tcpserver
   /** Server name displayed in process list
     */
   private $processName = "tcpserver";
+
+  private $ipOrName;
   // }}}
 
   ////////////////////////