diff --git a/drivers/iio/imu/inv_mpu/icm42600/inv_mpu_iio_reg_42600.h b/drivers/iio/imu/inv_mpu/icm42600/inv_mpu_iio_reg_42600.h
index 63123cb31d1c..321b081c79ea 100644
--- a/drivers/iio/imu/inv_mpu/icm42600/inv_mpu_iio_reg_42600.h
+++ b/drivers/iio/imu/inv_mpu/icm42600/inv_mpu_iio_reg_42600.h
@@ -26,7 +26,7 @@
 #define SUPPORT_RTC_MODE
 
 /* RTC(CLKIN) frequency in Hz (Only for ICM42622/42688) */
-#define RTC_FREQ_HZ                    32768
+#define RTC_FREQ_HZ                    32000
 
 
 /* Registers and associated bit definitions */