diff --git a/ArduPlane/GCS_Mavlink.cpp b/ArduPlane/GCS_Mavlink.cpp
index 3211c35bcc..005fca246e 100644
--- a/ArduPlane/GCS_Mavlink.cpp
+++ b/ArduPlane/GCS_Mavlink.cpp
@@ -243,7 +243,7 @@ float GCS_MAVLINK_Plane::vfr_hud_airspeed() const
     // will use an airspeed sensor, that value is constrained by the
     // ground speed.  When reporting we should send the true airspeed
     // value if possible:
-    if (plane.airspeed.enabled()) {
+    if (plane.airspeed.enabled() && plane.airspeed.healthy()) {
         return plane.airspeed.get_airspeed();
     }