diff --git a/libraries/AP_Airspeed/examples/Airspeed/Airspeed.pde b/libraries/AP_Airspeed/examples/Airspeed/Airspeed.pde
index dd502d5840..9a0594c5a4 100644
--- a/libraries/AP_Airspeed/examples/Airspeed/Airspeed.pde
+++ b/libraries/AP_Airspeed/examples/Airspeed/Airspeed.pde
@@ -35,6 +35,7 @@
 #include <AP_Vehicle.h>
 #include <AP_Notify.h>
 #include <DataFlash.h>
+#include <AP_Baro.h>
 #include <GCS_MAVLink.h>
 #include <AP_GPS.h>
 #include <AP_InertialSensor.h>