diff --git a/src/FlightDisplay/PreFlightSensorsHealthCheck.qml b/src/FlightDisplay/PreFlightSensorsHealthCheck.qml
index 1d04ad1bce0522a66b8ee70ea1808a5280c53a35..e5e4a2a37886890c4ed13b8b0cd9b32226b88533 100644
--- a/src/FlightDisplay/PreFlightSensorsHealthCheck.qml
+++ b/src/FlightDisplay/PreFlightSensorsHealthCheck.qml
@@ -17,7 +17,7 @@ PreFlightCheckButton {
     name:               qsTr("Sensors")
     telemetryFailure:   _unhealthySensors & _allCheckedSensors
 
-    property int    _unhealthySensors:  activeVehicle ? activeVehicle.sensorsUnhealthyBits : 0
+    property int    _unhealthySensors:  activeVehicle ? activeVehicle.sensorsUnhealthyBits : 1
     property int    _allCheckedSensors: Vehicle.SysStatusSensor3dMag |
                                         Vehicle.SysStatusSensor3dAccel |
                                         Vehicle.SysStatusSensor3dGyro |