diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk6X/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk6X/hwdef.dat
index 6662d6cc99..e3457a45b5 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk6X/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk6X/hwdef.dat
@@ -299,7 +299,7 @@ SPIDEV bmi088_a SPI3 DEVID2  BMI088_A_CS  MODE3 10*MHZ 10*MHZ
 # alternative to bmi088
 SPIDEV icm20649  SPI3 DEVID1  BMI088_A_CS MODE3  10*MHZ 10*MHZ
 SPIDEV icm42688  SPI2 DEVID1  ICM42688_CS MODE3  2*MHZ  8*MHZ
-SPIDEV imu_spi1  SPI1 DEVID1  IMU1_CS MODE3  2*MHZ  8*MHZ
+SPIDEV icm42670  SPI1 DEVID1  IMU1_CS MODE3  2*MHZ  8*MHZ
 
 # IMU devices for CUAV-6X. The CUAV board has a BMI088, ICM20649 and
 # ICM42688 the ICM42688 and BMI088 are on the same SPI buses and CS
@@ -313,7 +313,7 @@ SPIDEV ramtron   SPI5 DEVID1  FRAM_CS     MODE3  8*MHZ  8*MHZ
 IMU Invensensev3 SPI:icm42688 ROTATION_PITCH_180_YAW_90 BOARD_MATCH(FMUV6_BOARD_HOLYBRO_6X)
 IMU BMI088 SPI:bmi088_a SPI:bmi088_g ROTATION_NONE      BOARD_MATCH(FMUV6_BOARD_HOLYBRO_6X)
 IMU Invensensev2 SPI:icm20649 ROTATION_YAW_180          BOARD_MATCH(FMUV6_BOARD_HOLYBRO_6X) # alternative to BMI088
-IMU Invensensev3 SPI:imu_spi1 ROTATION_PITCH_180_YAW_90 BOARD_MATCH(FMUV6_BOARD_HOLYBRO_6X)
+IMU Invensensev3 SPI:icm42670 ROTATION_PITCH_180_YAW_90 BOARD_MATCH(FMUV6_BOARD_HOLYBRO_6X)
 
 # CUAV-6X 3 IMUs
 IMU Invensensev3 SPI:icm42688 ROTATION_ROLL_180_YAW_270 BOARD_MATCH(FMUV6_BOARD_CUAV_6X)