diff --git a/libraries/AP_InertialSensor/AP_InertialSensor_Stub.cpp b/libraries/AP_InertialSensor/AP_InertialSensor_Stub.cpp
index e88785e1c6..98bbf38c04 100644
--- a/libraries/AP_InertialSensor/AP_InertialSensor_Stub.cpp
+++ b/libraries/AP_InertialSensor/AP_InertialSensor_Stub.cpp
@@ -26,3 +26,4 @@ void AP_InertialSensor_Stub::get_sensors( float * sensors ) {}
 float AP_InertialSensor_Stub::temperature() { return 0.0; }
 uint32_t AP_InertialSensor_Stub::sample_time() { return 0; }
 void AP_InertialSensor_Stub::reset_sample_time() {}
+float AP_InertialSensor_Stub::get_gyro_drift_rate(void) { return 0.0; }
diff --git a/libraries/AP_InertialSensor/AP_InertialSensor_Stub.h b/libraries/AP_InertialSensor/AP_InertialSensor_Stub.h
index aae2bd1393..2ddcce038e 100644
--- a/libraries/AP_InertialSensor/AP_InertialSensor_Stub.h
+++ b/libraries/AP_InertialSensor/AP_InertialSensor_Stub.h
@@ -32,6 +32,7 @@ class AP_InertialSensor_Stub : public AP_InertialSensor
   float temperature();
   uint32_t sample_time();
   void reset_sample_time();
+  float get_gyro_drift_rate();
   };
 
 #endif // __AP_INERTIAL_SENSOR_STUB_H__