diff --git a/src/PlanView/PlanToolBarIndicators.qml b/src/PlanView/PlanToolBarIndicators.qml
index a1ee0300104a7734f9a0557f95426f09cf2c691f..0cdb63bd14b788c2ccb0707ed1bac1699246e3dc 100644
--- a/src/PlanView/PlanToolBarIndicators.qml
+++ b/src/PlanView/PlanToolBarIndicators.qml
@@ -72,7 +72,7 @@ Item {
 
     // Progress bar
     Connections {
-        target: _controllerValid ? _planMasterController.missionController : undefined
+        target: _controllerValid ? _planMasterController.missionController : null
         onProgressPctChanged: {
             if (_controllerProgressPct === 1) {
                 missionStats.visible = false