diff --git a/CommandStation-EX.ino b/CommandStation-EX.ino
index dbce4e7..4872375 100644
--- a/CommandStation-EX.ino
+++ b/CommandStation-EX.ino
@@ -69,7 +69,7 @@ void setup()
 //  Start the WiFi interface on a MEGA, Uno cannot currently handle WiFi
 
 #if WIFI_ON
-  WifiInterface::setup(WIFI_SERIAL_LINK_SPEED, F(WIFI_SSID), F(WIFI_PASSWORD), F(WIFI_HOSTNAME), 2560);
+  WifiInterface::setup(WIFI_SERIAL_LINK_SPEED, F(WIFI_SSID), F(WIFI_PASSWORD), F(WIFI_HOSTNAME), IP_PORT);
 #endif // WIFI_ON
 
 #if ETHERNET_ON
diff --git a/EthernetInterface.cpp b/EthernetInterface.cpp
index 2061aa6..38a0b24 100644
--- a/EthernetInterface.cpp
+++ b/EthernetInterface.cpp
@@ -83,11 +83,11 @@ EthernetInterface::EthernetInterface()
     
     IPAddress ip = Ethernet.localIP(); // reassign the obtained ip address
 
-    server = new EthernetServer(LISTEN_PORT); // Ethernet Server listening on default port LISTEN_PORT
+    server = new EthernetServer(IP_PORT); // Ethernet Server listening on default port IP_PORT
     server->begin();
   
     LCD(4,F("IP: %d.%d.%d.%d"), ip[0], ip[1], ip[2], ip[3]);
-    LCD(5,F("Port:%d"), LISTEN_PORT);
+    LCD(5,F("Port:%d"), IP_PORT);
 
     outboundRing=new RingStream(OUTBOUND_RING_SIZE);     
 }
diff --git a/EthernetInterface.h b/EthernetInterface.h
index 886fc52..87bb8b6 100644
--- a/EthernetInterface.h
+++ b/EthernetInterface.h
@@ -39,7 +39,6 @@
  * 
  */
 
-#define LISTEN_PORT 2560                      // standard listen port for the server 
 #define MAX_ETH_BUFFER 512
 #define OUTBOUND_RING_SIZE 2048
 
diff --git a/config.example.h b/config.example.h
index cdad05c..8c25ab9 100644
--- a/config.example.h
+++ b/config.example.h
@@ -26,6 +26,12 @@ The configuration file for DCC-EX Command Station
 //
 #define MOTOR_SHIELD_TYPE STANDARD_MOTOR_SHIELD
 
+/////////////////////////////////////////////////////////////////////////////////////
+//
+// The IP port to talk to a WIFI or Ethernet shield.
+//
+#define IP_PORT 2560
+
 /////////////////////////////////////////////////////////////////////////////////////
 //
 // NOTE: Only supported on Arduino Mega