diff --git a/src/drivers/drv_sensor.h b/src/drivers/drv_sensor.h
old mode 100644
new mode 100755
index 0c1ab48267..abe876244d
--- a/src/drivers/drv_sensor.h
+++ b/src/drivers/drv_sensor.h
@@ -55,6 +55,7 @@
 #define DRV_MAG_DEVTYPE_HMC5883  0x01
 #define DRV_MAG_DEVTYPE_LSM303D  0x02
 #define DRV_MAG_DEVTYPE_ACCELSIM 0x03
+#define DRV_MAG_DEVTYPE_MPU9250  0x04
 #define DRV_ACC_DEVTYPE_LSM303D  0x11
 #define DRV_ACC_DEVTYPE_BMA180   0x12
 #define DRV_ACC_DEVTYPE_MPU6000  0x13