diff --git a/hardware/arduino/avr/variants/ethernet/pins_arduino.h b/hardware/arduino/avr/variants/ethernet/pins_arduino.h
index 202f85464..967669822 100644
--- a/hardware/arduino/avr/variants/ethernet/pins_arduino.h
+++ b/hardware/arduino/avr/variants/ethernet/pins_arduino.h
@@ -44,7 +44,7 @@ static const uint8_t SCK  = 13;
 
 static const uint8_t SDA = 18;
 static const uint8_t SCL = 19;
-static const uint8_t LED_BUILTIN = 9;
+#define LED_BUILTIN 9
 
 static const uint8_t A0 = 14;
 static const uint8_t A1 = 15;
diff --git a/hardware/arduino/avr/variants/leonardo/pins_arduino.h b/hardware/arduino/avr/variants/leonardo/pins_arduino.h
index 85fb06ec9..d74683272 100644
--- a/hardware/arduino/avr/variants/leonardo/pins_arduino.h
+++ b/hardware/arduino/avr/variants/leonardo/pins_arduino.h
@@ -101,6 +101,7 @@
 
 static const uint8_t SDA = 2;
 static const uint8_t SCL = 3;
+#define LED_BUILTIN 13
 
 // Map SPI port to 'new' pins D14..D17
 static const uint8_t SS   = 17;
diff --git a/hardware/arduino/avr/variants/mega/pins_arduino.h b/hardware/arduino/avr/variants/mega/pins_arduino.h
index f12188945..3cdbb7926 100644
--- a/hardware/arduino/avr/variants/mega/pins_arduino.h
+++ b/hardware/arduino/avr/variants/mega/pins_arduino.h
@@ -39,7 +39,7 @@ static const uint8_t SCK  = 52;
 
 static const uint8_t SDA = 20;
 static const uint8_t SCL = 21;
-static const uint8_t LED_BUILTIN = 13;
+#define LED_BUILTIN 13
 
 static const uint8_t A0 = 54;
 static const uint8_t A1 = 55;
diff --git a/hardware/arduino/avr/variants/standard/pins_arduino.h b/hardware/arduino/avr/variants/standard/pins_arduino.h
index e7cfb08fc..815df3c3b 100644
--- a/hardware/arduino/avr/variants/standard/pins_arduino.h
+++ b/hardware/arduino/avr/variants/standard/pins_arduino.h
@@ -44,7 +44,7 @@ static const uint8_t SCK  = 13;
 
 static const uint8_t SDA = 18;
 static const uint8_t SCL = 19;
-static const uint8_t LED_BUILTIN = 13;
+#define LED_BUILTIN 13
 
 static const uint8_t A0 = 14;
 static const uint8_t A1 = 15;