diff --git a/src/AutoPilotPlugins/APM/APMSubFrameComponent.qml b/src/AutoPilotPlugins/APM/APMSubFrameComponent.qml
index 301005fa29ec9d92e5283ab1d5b0bb4b2d3e89c8..90839926a2e490291c803c73098da6ae28ac27f2 100644
--- a/src/AutoPilotPlugins/APM/APMSubFrameComponent.qml
+++ b/src/AutoPilotPlugins/APM/APMSubFrameComponent.qml
@@ -25,7 +25,7 @@ SetupPage {
     pageComponent:      subFramePageComponent
 
     property var  _activeVehicle:       QGroundControl.multiVehicleManager.activeVehicle
-    property bool _oldFW:   !(_activeVehicle.firmwareMajorVersion > 3 || _activeVehicle.firmwareMinorVersion > 5 || _activeVehicle.firmwarePatchVersion >= 2)
+    property bool _oldFW:   _activeVehicle.versionCompare(3 ,5 ,2) < 0
 
     APMAirframeComponentController { id: controller; factPanel: subFramePage.viewPanel }