diff --git a/libraries/AP_HAL/AP_HAL_Boards.h b/libraries/AP_HAL/AP_HAL_Boards.h
index c1c24daa12..9d06fcdcad 100644
--- a/libraries/AP_HAL/AP_HAL_Boards.h
+++ b/libraries/AP_HAL/AP_HAL_Boards.h
@@ -61,6 +61,7 @@
 #define HAL_INS_L3GD20   10
 #define HAL_INS_LSM9DS0 11
 #define HAL_INS_RASPILOT 12
+#define HAL_INS_MPU9250_I2C 13
 
 // barometer driver types
 #define HAL_BARO_BMP085     1