diff --git a/APMrover2/GCS_Mavlink.cpp b/APMrover2/GCS_Mavlink.cpp
index 92f28fd2ba..ed79e85b8f 100644
--- a/APMrover2/GCS_Mavlink.cpp
+++ b/APMrover2/GCS_Mavlink.cpp
@@ -1307,7 +1307,7 @@ void GCS_MAVLINK::handleMessage(mavlink_message_t* msg)
             
             gps.setHIL(0, AP_GPS::GPS_OK_FIX_3D,
                        packet.time_usec/1000,
-                       loc, vel, 10, 0, true);
+                       loc, vel, 10, 0);
 			
 			// rad/sec
             Vector3f gyros;