diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef.dat
index eea0b4785433c6..37fcf36778e079 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef.dat
@@ -139,8 +139,10 @@ IMU Invensense SPI:mpu6000 ROTATION_YAW_180
 
 # one baro
 BARO BMP280 I2C:0:0x76
+BARO SPL06 I2C:0:0x76
 define AP_BARO_BACKEND_DEFAULT_ENABLED 0
 define AP_BARO_BMP280_ENABLED 1
+define AP_BARO_SPL06_ENABLED 1
 
 # enable logging to dataflash
 define HAL_LOGGING_DATAFLASH_ENABLED 1
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7-Wing/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7-Wing/hwdef.dat
index cd98727eb9e926..53ae134e5bc5df 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7-Wing/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7-Wing/hwdef.dat
@@ -204,6 +204,7 @@ IMU Invensensev3 SPI:icm42688 ROTATION_PITCH_180_YAW_270
 
 # BMP280 integrated on I2C4 bus
 BARO BMP280 I2C:0:0x76
+BARO SPL06 I2C:0:0x76
 
 define HAL_OS_FATFS_IO 1
 
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7/hwdef.dat
index 11dfb4ae418f85..5ce9b33c622d03 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7/hwdef.dat
@@ -150,6 +150,7 @@ IMU Invensensev3 SPI:icm42688 ROTATION_ROLL_180_YAW_270
 
 # one BARO
 BARO BMP280 I2C:0:0x76
+BARO SPL06 I2C:0:0x76
 
 define HAL_OS_FATFS_IO 1
 
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7Mini/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7Mini/hwdef.dat
index 434d61bdb3ea21..258a9ea05428f2 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7Mini/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7Mini/hwdef.dat
@@ -153,6 +153,7 @@ IMU Invensensev3 SPI:icm42688 ROTATION_PITCH_180_YAW_90
 
 # one BARO
 BARO BMP280 I2C:0:0x76
+BARO SPL06 I2C:0:0x76
 
 # setup for OSD
 define OSD_ENABLED 1