diff --git a/megaavr/variants/txy4/pins_arduino.h b/megaavr/variants/txy4/pins_arduino.h
index a2f39c4f..e757d627 100644
--- a/megaavr/variants/txy4/pins_arduino.h
+++ b/megaavr/variants/txy4/pins_arduino.h
@@ -71,7 +71,7 @@ static const uint8_t SCL = PIN_WIRE_SCL;
 #define PIN_WIRE_HWSERIAL0_RX 	(4)
 #define PIN_WIRE_HWSERIAL0_TX 	(5)
 
-#define LED_BUILTIN 4 //FIXME
+#define LED_BUILTIN 3 //FIXME
 
 
 #define PIN_A0   (11)
diff --git a/megaavr/variants/txy6/pins_arduino.h b/megaavr/variants/txy6/pins_arduino.h
index 330c72f8..b6e42fc0 100644
--- a/megaavr/variants/txy6/pins_arduino.h
+++ b/megaavr/variants/txy6/pins_arduino.h
@@ -72,7 +72,7 @@ static const uint8_t SCL = PIN_WIRE_SCL;
 #define PIN_WIRE_HWSERIAL0_RX 	(6)
 #define PIN_WIRE_HWSERIAL0_TX 	(7)
 
-#define LED_BUILTIN 4
+#define LED_BUILTIN 3
 
 #define PIN_A0   (17)
 #define PIN_A1   (14)
diff --git a/megaavr/variants/txy7/pins_arduino.h b/megaavr/variants/txy7/pins_arduino.h
index e0ca2ad0..c0979188 100644
--- a/megaavr/variants/txy7/pins_arduino.h
+++ b/megaavr/variants/txy7/pins_arduino.h
@@ -71,7 +71,7 @@ static const uint8_t SCL = PIN_WIRE_SCL;
 #define PIN_WIRE_HWSERIAL0_RX 	(8)
 #define PIN_WIRE_HWSERIAL0_TX 	(9)
 
-#define LED_BUILTIN 4
+#define LED_BUILTIN 3
 
 #define PINS_COUNT		(22u)