diff --git a/libraries/AP_HAL/examples/DSP_test/DSP_test.cpp b/libraries/AP_HAL/examples/DSP_test/DSP_test.cpp index 23e079f23ead8c..78737f12a846f5 100644 --- a/libraries/AP_HAL/examples/DSP_test/DSP_test.cpp +++ b/libraries/AP_HAL/examples/DSP_test/DSP_test.cpp @@ -4,6 +4,7 @@ #include <GCS_MAVLink/GCS_Dummy.h> #include <AP_SerialManager/AP_SerialManager.h> #include <AP_Logger/AP_Logger.h> +#include <AP_InertialSensor/AP_InertialSensor.h> #include "GyroFrame.h" #if HAL_WITH_DSP