diff --git a/libraries/MySensors/examples/GatewayW5100/GatewayW5100.ino b/libraries/MySensors/examples/GatewayW5100/GatewayW5100.ino
index 902ae51..4df7ac7 100644
--- a/libraries/MySensors/examples/GatewayW5100/GatewayW5100.ino
+++ b/libraries/MySensors/examples/GatewayW5100/GatewayW5100.ino
@@ -100,9 +100,11 @@
 // Digital pin used for inclusion mode button
 #define MY_INCLUSION_MODE_BUTTON_PIN  3 
 
+#ifndef MY_DEFAULT_ERR_LED_PIN
 #define MY_DEFAULT_ERR_LED_PIN 7  // Error led pin
 #define MY_DEFAULT_RX_LED_PIN  8  // Receive led pin
 #define MY_DEFAULT_TX_LED_PIN  9  // the PCB, on board LED
+#endif
 
 #include <SPI.h>