diff --git a/libraries/AP_HAL/board/chibios.h b/libraries/AP_HAL/board/chibios.h
index cd0d890810..9e5cd5911f 100644
--- a/libraries/AP_HAL/board/chibios.h
+++ b/libraries/AP_HAL/board/chibios.h
@@ -4,6 +4,10 @@
 
 #define HAL_BOARD_NAME "ChibiOS"
 
+#ifdef HAL_HAVE_PIXRACER_LED
+#error "use AP_NOTIFY_GPIO_LED_RGB_ENABLED in place of HAL_HAVE_PIXRACER_LED (and rename your pins!)"
+#endif
+
 #if HAL_MEMORY_TOTAL_KB >= 1000
 #define HAL_MEM_CLASS HAL_MEM_CLASS_1000
 #elif HAL_MEMORY_TOTAL_KB >= 500