diff --git a/libraries/AP_HAL/AP_HAL_Boards.h b/libraries/AP_HAL/AP_HAL_Boards.h
index 2e8980f0fd..55353f3a82 100644
--- a/libraries/AP_HAL/AP_HAL_Boards.h
+++ b/libraries/AP_HAL/AP_HAL_Boards.h
@@ -64,6 +64,7 @@
 #define HAL_BOARD_SUBTYPE_CHIBIOS_FMUV3         5001
 #define HAL_BOARD_SUBTYPE_CHIBIOS_FMUV4         5002
 #define HAL_BOARD_SUBTYPE_CHIBIOS_MINDPXV2      5003
+#define HAL_BOARD_SUBTYPE_CHIBIOS_SPARKY2       5004
 
 /* InertialSensor driver types */
 #define HAL_INS_MPU60XX_SPI  2