diff --git a/src/plugins/simulator/emulated/simulatoremulated.cpp b/src/plugins/simulator/emulated/simulatoremulated.cpp
index af48fbbe8..6fd58207f 100644
--- a/src/plugins/simulator/emulated/simulatoremulated.cpp
+++ b/src/plugins/simulator/emulated/simulatoremulated.cpp
@@ -48,7 +48,7 @@ namespace BlackSimPlugin
             this->onSettingsChanged(); // init from settings
 
             m_myAircraft = this->getOwnAircraft(); // sync with provider
-            m_monitorWidget.reset(new CSimulatorEmulatedMonitorDialog(this, sGui->mainApplicationWidget()));
+            m_monitorWidget = new CSimulatorEmulatedMonitorDialog(this, sGui->mainApplicationWidget());
 
             connect(qApp, &QApplication::aboutToQuit,            this, &CSimulatorEmulated::closeMonitor);
             connect(sGui, &CGuiApplication::aboutToShutdown,     this, &CSimulatorEmulated::closeMonitor, Qt::QueuedConnection);
@@ -58,6 +58,17 @@ namespace BlackSimPlugin
             this->connectOwnSignals();
         }
 
+        CSimulatorEmulated::~CSimulatorEmulated()
+        {
+            if (m_monitorWidget)
+            {
+                // if the widget still exists, close and delete it
+                m_monitorWidget->close();
+                m_monitorWidget->deleteLater();
+                m_monitorWidget.clear();
+            }
+        }
+
         bool CSimulatorEmulated::isTimeSynchronized() const
         {
             return m_timeSyncronized;
diff --git a/src/plugins/simulator/emulated/simulatoremulated.h b/src/plugins/simulator/emulated/simulatoremulated.h
index 5b29aeae5..2d5c82ed4 100644
--- a/src/plugins/simulator/emulated/simulatoremulated.h
+++ b/src/plugins/simulator/emulated/simulatoremulated.h
@@ -24,7 +24,7 @@
 
 #include <QMap>
 #include <QTimer>
-#include <QScopedPointer>
+#include <QPointer>
 
 namespace BlackSimPlugin
 {
@@ -50,6 +50,9 @@ namespace BlackSimPlugin
                 BlackMisc::Network::IClientProvider            *clientProvider,
                 QObject *parent = nullptr);
 
+            //! Destructor
+            virtual ~CSimulatorEmulated() override;
+
             // functions implemented
             virtual bool isTimeSynchronized() const override;
             virtual bool connectTo() override;
@@ -177,7 +180,7 @@ namespace BlackSimPlugin
             BlackMisc::PhysicalQuantities::CTime            m_offsetTime;
             BlackMisc::Simulation::CSimulatedAircraft       m_myAircraft;       //!< represents own aircraft of simulator
             BlackMisc::Simulation::CSimulatedAircraftList   m_renderedAircraft; //!< represents remote aircraft in simulator
-            QScopedPointer<CSimulatorEmulatedMonitorDialog> m_monitorWidget;    //!< parent will be main window, so we need to destroy widget when destroyed
+            QPointer<CSimulatorEmulatedMonitorDialog>       m_monitorWidget;    //!< parent will be main window, so we need to destroy widget when destroyed
             BlackMisc::CConnectionGuard                     m_connectionGuard;  //!< connected with provider
             BlackMisc::CSettingReadOnly<BlackMisc::Simulation::Settings::TSwiftPlugin> m_pluginSettings { this, &CSimulatorEmulated::onSettingsChanged };
             QMap<BlackMisc::Aviation::CCallsign, BlackMisc::Simulation::CInterpolatorMultiWrapper> m_interpolators; //!< interpolators per callsign