diff --git a/WebServer/WebServer/WebServer.ino b/WebServer/WebServer/WebServer.ino
index 6e56431..25a6eea 100644
--- a/WebServer/WebServer/WebServer.ino
+++ b/WebServer/WebServer/WebServer.ino
@@ -2,11 +2,11 @@
 #include <Ethernet.h>
 #include <SD.h>
 
-#define Serial SerialUSB
+//#define Serial SerialUSB
 
 // MAC address from Ethernet shield sticker under board
-byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
-IPAddress ip(10, 0, 0, 20); // IP address, may need to change depending on network
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFD };
+IPAddress ip(10, 0, 0, 50); // IP address, may need to change depending on network
 EthernetServer server(80);  // create a server at port 80
 
 File webFile;
@@ -50,7 +50,7 @@ void loop()
                     client.println("Connection: close");
                     client.println();
                     // send web page
-                    webFile = SD.open("index.html");        // open web page file
+                    webFile = SD.open("index.htm");        // open web page file
                     if (webFile) {
                         while(webFile.available()) {
                             client.write(webFile.read()); // send web page to client
diff --git a/gateway/gateway.ino b/gateway/gateway.ino
index 374e835..13b8bd5 100644
--- a/gateway/gateway.ino
+++ b/gateway/gateway.ino
@@ -8,7 +8,6 @@
 #include <CModemLoRa.h>                                     // to use personalised LoRa class
 #include <CProtocol12Bytes.h>                               // to use our protocol
 
-
 #define LENMAX 80                                           // maximum size for the LoRa frame
 #define Serial SerialUSB                                    // serial out on the M0 use a different function
 
@@ -19,9 +18,9 @@ File webFile;                                               // variable for the
 
 // void setSPIFrequency(uint32_t frequency);                // set the SPI at 8MHz to use logic analyser
 
-byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xED};          // set the mac address
+byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFD};          // set the mac address
 
-//IPAddress ip(10, 0, 0, 49);                               // set the IP address for the ethernet shield, overwise the librairy use DHCP
+IPAddress ip(192, 1, 1, 150);                               // set the IP address for the ethernet shield, overwise the librairy use DHCP
 
 EthernetServer server(80);                                  // initialize the EthernetServer library, using port 80 (default fot HTTP)