diff --git a/libraries/AP_InertialSensor/AP_InertialSensor_PX4.cpp b/libraries/AP_InertialSensor/AP_InertialSensor_PX4.cpp
index 7b1ee8b314..98b154e697 100644
--- a/libraries/AP_InertialSensor/AP_InertialSensor_PX4.cpp
+++ b/libraries/AP_InertialSensor/AP_InertialSensor_PX4.cpp
@@ -103,6 +103,7 @@ bool AP_InertialSensor_PX4::_init_sensor(void)
 
         switch(devid) {
             case DRV_GYR_DEVTYPE_MPU6000:
+            case DRV_GYR_DEVTYPE_MPU9250:
                 // hardware LPF off
                 ioctl(fd, GYROIOCSHWLOWPASS, 256);
                 // khz sampling
@@ -140,6 +141,7 @@ bool AP_InertialSensor_PX4::_init_sensor(void)
 
         switch(devid) {
             case DRV_ACC_DEVTYPE_MPU6000:
+            case DRV_ACC_DEVTYPE_MPU9250:
                 // hardware LPF off
                 ioctl(fd, ACCELIOCSHWLOWPASS, 256);
                 // khz sampling