diff --git a/libraries/AP_HAL/board/sitl.h b/libraries/AP_HAL/board/sitl.h
index a20951e0d0..0eae8e932a 100644
--- a/libraries/AP_HAL/board/sitl.h
+++ b/libraries/AP_HAL/board/sitl.h
@@ -48,6 +48,9 @@
 #define AP_NOTIFY_GPIO_LED_RGB_GREEN_PIN  9
 #define AP_NOTIFY_GPIO_LED_RGB_BLUE_PIN  10
 
+// #define AP_NOTIFY_GPIO_LED_1_ENABLED 1
+#define AP_NOTIFY_GPIO_LED_A_PIN          8  // these are set in SIM_PIN_MASK
+
 #define HAL_HAVE_BOARD_VOLTAGE 1
 #define HAL_HAVE_SERVO_VOLTAGE 1
 #define HAL_HAVE_SAFETY_SWITCH 1