diff --git a/libraries/AP_Beacon/sitl/sitl_beacons.param b/libraries/AP_Beacon/sitl/sitl_beacons.param
index a8155ff8c3..c027c0d276 100644
--- a/libraries/AP_Beacon/sitl/sitl_beacons.param
+++ b/libraries/AP_Beacon/sitl/sitl_beacons.param
@@ -15,3 +15,4 @@ GPS_TYPE,0
 LOG_DISARMED,1
 # Make sure the normal EKF aiding mode is selected (beacon fusion not tested in other modes)
 EK2_GPS_TYPE,0
+EK3_GPS_TYPE,0