diff --git a/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde b/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde
index 0bc5c9807d..bd59c537c8 100644
--- a/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde
+++ b/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde
@@ -34,6 +34,7 @@
 #include <AP_Math.h>
 #include <AP_Notify.h>
 #include <AP_NavEKF.h>
+#include <AP_Rally.h>
 
 const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER;