diff --git a/libraries/AP_HAL/AP_HAL_Boards.h b/libraries/AP_HAL/AP_HAL_Boards.h
index fbd58bc4e1..7013d056a9 100644
--- a/libraries/AP_HAL/AP_HAL_Boards.h
+++ b/libraries/AP_HAL/AP_HAL_Boards.h
@@ -66,6 +66,7 @@
 #define HAL_BOARD_SUBTYPE_CHIBIOS_FMUV4         5002
 #define HAL_BOARD_SUBTYPE_CHIBIOS_MINDPXV2      5003
 #define HAL_BOARD_SUBTYPE_CHIBIOS_SPARKY2       5004
+#define HAL_BOARD_SUBTYPE_CHIBIOS_REVOMINI      5005
 
 /* InertialSensor driver types */
 #define HAL_INS_MPU60XX_SPI  2