diff --git a/src/blackgui/components/audiosetupcomponent.cpp b/src/blackgui/components/audiosetupcomponent.cpp
index aff13eb99..4031abfc3 100644
--- a/src/blackgui/components/audiosetupcomponent.cpp
+++ b/src/blackgui/components/audiosetupcomponent.cpp
@@ -59,9 +59,9 @@ namespace BlackGui
                 ui->cb_SetupAudioLoopback->setChecked(sGui->getIContextAudio()->isAudioLoopbackEnabled());
 
                 // the connects depend on initAudioDeviceLists
-                c = connect(ui->cb_SetupAudioInputDevice,  static_cast<void (QComboBox::*)(int)> (&QComboBox::currentIndexChanged), this, &CAudioSetupComponent::onAudioDeviceSelected);
+                c = connect(ui->cb_SetupAudioInputDevice,  qOverload<int>(&QComboBox::currentIndexChanged), this, &CAudioSetupComponent::onAudioDeviceSelected);
                 Q_ASSERT(c);
-                c = connect(ui->cb_SetupAudioOutputDevice, static_cast<void (QComboBox::*)(int)> (&QComboBox::currentIndexChanged), this, &CAudioSetupComponent::onAudioDeviceSelected);
+                c = connect(ui->cb_SetupAudioOutputDevice, qOverload<int>(&QComboBox::currentIndexChanged), this, &CAudioSetupComponent::onAudioDeviceSelected);
                 Q_ASSERT(c);
 
                 // context
diff --git a/src/blackgui/components/audiovolumecomponent.cpp b/src/blackgui/components/audiovolumecomponent.cpp
index cde91f8b3..3971c87e8 100644
--- a/src/blackgui/components/audiovolumecomponent.cpp
+++ b/src/blackgui/components/audiovolumecomponent.cpp
@@ -39,7 +39,7 @@ namespace BlackGui
             c = connect(ui->hs_Volume, &QSlider::valueChanged, this, &CAudioVolumeComponent::ps_changeOutputVolumeFromSlider);
             Q_ASSERT(c);
             Q_UNUSED(c);
-            c = connect(ui->sb_Volume, static_cast<void (QSpinBox::*)(int)> (&QSpinBox::valueChanged), this, &CAudioVolumeComponent::ps_changeOutputVolumeFromSpinBox);
+            c = connect(ui->sb_Volume, qOverload<int>(&QSpinBox::valueChanged), this, &CAudioVolumeComponent::ps_changeOutputVolumeFromSpinBox);
             Q_ASSERT(c);
             Q_UNUSED(c);
             c = connect(ui->pb_Volume100, &QPushButton::clicked, this, &CAudioVolumeComponent::ps_setVolume100);
diff --git a/src/blackgui/components/colorselector.cpp b/src/blackgui/components/colorselector.cpp
index 4fc1f9d99..9e888aa8a 100644
--- a/src/blackgui/components/colorselector.cpp
+++ b/src/blackgui/components/colorselector.cpp
@@ -57,7 +57,7 @@ namespace BlackGui
             completer->setMaxVisibleItems(10);
             completer->setCompletionMode(QCompleter::PopupCompletion);
             ui->le_Color->setCompleter(completer);
-            connect(completer, static_cast<void (QCompleter::*)(const QString &)>(&QCompleter::activated), this, &CColorSelector::setColorByName);
+            connect(completer, qOverload<const QString &>(&QCompleter::activated), this, &CColorSelector::setColorByName);
         }
 
         CColorSelector::~CColorSelector() { }
diff --git a/src/blackgui/components/dbaircrafticaoselectorcomponent.cpp b/src/blackgui/components/dbaircrafticaoselectorcomponent.cpp
index ab5f452ef..f5be51eaf 100644
--- a/src/blackgui/components/dbaircrafticaoselectorcomponent.cpp
+++ b/src/blackgui/components/dbaircrafticaoselectorcomponent.cpp
@@ -201,7 +201,7 @@ namespace BlackGui
                     c->setCompletionMode(QCompleter::PopupCompletion);
                     c->setMaxVisibleItems(10);
                     c->popup()->setMinimumWidth(175);
-                    connect(c, static_cast<void (QCompleter::*)(const QString &)>(&QCompleter::activated), this, &CDbAircraftIcaoSelectorComponent::onCompleterActivated);
+                    connect(c, qOverload<const QString &>(&QCompleter::activated), this, &CDbAircraftIcaoSelectorComponent::onCompleterActivated);
 
                     ui->le_Aircraft->setCompleter(c);
                     m_completerIcaoDescription.reset(c); // deletes any old completer
diff --git a/src/blackgui/components/dbairlineicaoselectorbase.cpp b/src/blackgui/components/dbairlineicaoselectorbase.cpp
index a7c990228..ba1988fb1 100644
--- a/src/blackgui/components/dbairlineicaoselectorbase.cpp
+++ b/src/blackgui/components/dbairlineicaoselectorbase.cpp
@@ -141,7 +141,7 @@ namespace BlackGui
                 {
                     QCompleter *c = this->createCompleter();
                     Q_ASSERT_X(c, Q_FUNC_INFO, "missing converter");
-                    connect(c, static_cast<void (QCompleter::*)(const QString &)>(&QCompleter::activated), this, &CDbAirlineIcaoSelectorBase::onCompleterActivated);
+                    connect(c, qOverload<const QString &>(&QCompleter::activated), this, &CDbAirlineIcaoSelectorBase::onCompleterActivated);
                     m_completer.reset(c); // deletes any old completer
                 }
                 else
diff --git a/src/blackgui/components/dbcountryselectorcomponent.cpp b/src/blackgui/components/dbcountryselectorcomponent.cpp
index b9aefe30d..748281962 100644
--- a/src/blackgui/components/dbcountryselectorcomponent.cpp
+++ b/src/blackgui/components/dbcountryselectorcomponent.cpp
@@ -165,7 +165,7 @@ namespace BlackGui
                     c->setCaseSensitivity(Qt::CaseInsensitive);
                     c->setCompletionMode(QCompleter::PopupCompletion);
                     c->setMaxVisibleItems(10);
-                    connect(c, static_cast<void (QCompleter::*)(const QString &)>(&QCompleter::activated), this, &CDbCountrySelectorComponent::onCompleterActivated);
+                    connect(c, qOverload<const QString &>(&QCompleter::activated), this, &CDbCountrySelectorComponent::onCompleterActivated);
 
                     ui->le_CountryName->setCompleter(c);
                     m_completerCountryNames.reset(c); // deletes any old completer
diff --git a/src/blackgui/components/dbdistributorselectorcomponent.cpp b/src/blackgui/components/dbdistributorselectorcomponent.cpp
index cecb85025..f0440503d 100644
--- a/src/blackgui/components/dbdistributorselectorcomponent.cpp
+++ b/src/blackgui/components/dbdistributorselectorcomponent.cpp
@@ -184,7 +184,7 @@ namespace BlackGui
                     c->setCaseSensitivity(Qt::CaseInsensitive);
                     c->setCompletionMode(QCompleter::PopupCompletion);
                     c->setMaxVisibleItems(10);
-                    connect(c, static_cast<void (QCompleter::*)(const QString &)>(&QCompleter::activated), this, &CDbDistributorSelectorComponent::onCompleterActivated);
+                    connect(c, qOverload<const QString &>(&QCompleter::activated), this, &CDbDistributorSelectorComponent::onCompleterActivated);
 
                     ui->le_Distributor->setCompleter(c);
                     m_completerDistributors.reset(c); // deletes any old completer
diff --git a/src/blackgui/components/dbliveryselectorcomponent.cpp b/src/blackgui/components/dbliveryselectorcomponent.cpp
index 1347c977c..351eb206e 100644
--- a/src/blackgui/components/dbliveryselectorcomponent.cpp
+++ b/src/blackgui/components/dbliveryselectorcomponent.cpp
@@ -196,7 +196,7 @@ namespace BlackGui
                     c->setCaseSensitivity(Qt::CaseInsensitive);
                     c->setCompletionMode(QCompleter::PopupCompletion);
                     c->setMaxVisibleItems(10);
-                    connect(c, static_cast<void (QCompleter::*)(const QString &)>(&QCompleter::activated), this, &CDbLiverySelectorComponent::onCompleterActivated);
+                    connect(c, qOverload<const QString &>(&QCompleter::activated), this, &CDbLiverySelectorComponent::onCompleterActivated);
 
                     ui->le_Livery->setCompleter(c);
                     m_completerLiveries.reset(c); // deletes any old completer
diff --git a/src/blackgui/components/hotkeydialog.cpp b/src/blackgui/components/hotkeydialog.cpp
index 9ce8460a0..977d19635 100644
--- a/src/blackgui/components/hotkeydialog.cpp
+++ b/src/blackgui/components/hotkeydialog.cpp
@@ -100,7 +100,7 @@ namespace BlackGui
             connect(ui->pb_Accept, &QPushButton::clicked, this, &CHotkeyDialog::accept);
             connect(ui->pb_Cancel, &QPushButton::clicked, this, &CHotkeyDialog::reject);
             connect(ui->tv_Actions->selectionModel(), &QItemSelectionModel::selectionChanged, this, &CHotkeyDialog::changeSelectedAction);
-            connect(ui->cb_Identifier, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &CHotkeyDialog::changeApplicableMachine);
+            connect(ui->cb_Identifier, qOverload<int>(&QComboBox::currentIndexChanged), this, &CHotkeyDialog::changeApplicableMachine);
 
             if (sGui)
             {
@@ -116,7 +116,7 @@ namespace BlackGui
 
         CKeySelectionBox::CKeySelectionBox(QWidget *parent) : CHorizontalComboBox(parent)
         {
-            connect(this, static_cast<void(CKeySelectionBox::*)(int)>(&CKeySelectionBox::currentIndexChanged), this, &CKeySelectionBox::updateSelectedIndex);
+            connect(this, qOverload<int>(&CKeySelectionBox::currentIndexChanged), this, &CKeySelectionBox::updateSelectedIndex);
         }
 
         void CKeySelectionBox::setSelectedIndex(int index)
diff --git a/src/blackgui/components/selcalcodeselector.cpp b/src/blackgui/components/selcalcodeselector.cpp
index caacc5c2b..663bec5c0 100644
--- a/src/blackgui/components/selcalcodeselector.cpp
+++ b/src/blackgui/components/selcalcodeselector.cpp
@@ -35,8 +35,8 @@ namespace BlackGui
             ui->cb_SelcalPairs1->setStyleSheet("combobox-popup: 0;");
             ui->cb_SelcalPairs2->setStyleSheet("combobox-popup: 0;");
 
-            connect(ui->cb_SelcalPairs1, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &CSelcalCodeSelector::selcalIndexChanged);
-            connect(ui->cb_SelcalPairs2, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &CSelcalCodeSelector::selcalIndexChanged);
+            connect(ui->cb_SelcalPairs1, qOverload<int>(&QComboBox::currentIndexChanged), this, &CSelcalCodeSelector::selcalIndexChanged);
+            connect(ui->cb_SelcalPairs2, qOverload<int>(&QComboBox::currentIndexChanged), this, &CSelcalCodeSelector::selcalIndexChanged);
         }
 
         CSelcalCodeSelector::~CSelcalCodeSelector()
diff --git a/src/blackgui/components/settingsguicomponent.cpp b/src/blackgui/components/settingsguicomponent.cpp
index 575a12950..06e60b82e 100644
--- a/src/blackgui/components/settingsguicomponent.cpp
+++ b/src/blackgui/components/settingsguicomponent.cpp
@@ -38,7 +38,7 @@ namespace BlackGui
 
             // Widget style
             connect(ui->hs_SettingsGuiOpacity, &QSlider::valueChanged, this, &CSettingsGuiComponent::changedWindowsOpacity);
-            connect(ui->cb_SettingsGuiWidgetStyle, static_cast<void(QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged),
+            connect(ui->cb_SettingsGuiWidgetStyle, qOverload<const QString &>(&QComboBox::currentIndexChanged),
                     this, &CSettingsGuiComponent::widgetStyleChanged);
 
             // selection
diff --git a/src/blackgui/components/weathercomponent.cpp b/src/blackgui/components/weathercomponent.cpp
index 56fd36216..f9cfc7afb 100644
--- a/src/blackgui/components/weathercomponent.cpp
+++ b/src/blackgui/components/weathercomponent.cpp
@@ -197,8 +197,7 @@ namespace BlackGui
         void CWeatherComponent::setupConnections()
         {
             // UI connections
-            connect(ui->cb_weatherScenario, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
-                    this, &CWeatherComponent::setWeatherScenario);
+            connect(ui->cb_weatherScenario, qOverload<int>(&QComboBox::currentIndexChanged), this, &CWeatherComponent::setWeatherScenario);
             connect(m_coordinateDialog.data(), &CCoordinateDialog::changedCoordinate, this, &CWeatherComponent::updateWeatherInformation);
             connect(ui->cb_UseOwnAcftPosition, &QCheckBox::toggled, this, &CWeatherComponent::toggleUseOwnAircraftPosition);
             connect(&m_weatherUpdateTimer, &QTimer::timeout, this, &CWeatherComponent::updateWeatherInformation);
diff --git a/src/blackgui/infoarea.cpp b/src/blackgui/infoarea.cpp
index 38e6912e6..f97dcf502 100644
--- a/src/blackgui/infoarea.cpp
+++ b/src/blackgui/infoarea.cpp
@@ -129,8 +129,7 @@ namespace BlackGui
                 signalMapperToggleFloating->setMapping(toggleFloatingMenuAction, i);
             }
 
-            // new syntax not yet possible because of overloaded signal
-            c = connect(signalMapperToggleFloating, static_cast<void (QSignalMapper::*)(int)>(&QSignalMapper::mapped), this, &CInfoArea::toggleFloatingByIndex);
+            c = connect(signalMapperToggleFloating, qOverload<int>(&QSignalMapper::mapped), this, &CInfoArea::toggleFloatingByIndex);
             BLACK_VERIFY_X(c, Q_FUNC_INFO, "Cannot connect mapper"); // do not make that shutdown reason in a release build
 
             menu->addMenu(subMenuDisplay);
diff --git a/src/blackgui/pluginselector.cpp b/src/blackgui/pluginselector.cpp
index 39f580843..72ddd4bd8 100644
--- a/src/blackgui/pluginselector.cpp
+++ b/src/blackgui/pluginselector.cpp
@@ -28,8 +28,8 @@ namespace BlackGui
         QVBoxLayout *layout = new QVBoxLayout;
         setLayout(layout);
 
-        connect(m_detailsButtonMapper, static_cast<void (QSignalMapper::*)(const QString &)>(&QSignalMapper::mapped), this, &CPluginSelector::pluginDetailsRequested);
-        connect(m_configButtonMapper, static_cast<void (QSignalMapper::*)(const QString &)>(&QSignalMapper::mapped), this, &CPluginSelector::pluginConfigRequested);
+        connect(m_detailsButtonMapper, qOverload<const QString &>(&QSignalMapper::mapped), this, &CPluginSelector::pluginDetailsRequested);
+        connect(m_configButtonMapper, qOverload<const QString &>(&QSignalMapper::mapped), this, &CPluginSelector::pluginConfigRequested);
     }
 
     void CPluginSelector::addPlugin(const QString &identifier, const QString &name, bool hasConfig, bool enabled)
@@ -62,13 +62,13 @@ namespace BlackGui
         {
             QPushButton *config = new QPushButton("...");
             m_configButtonMapper->setMapping(config, identifier);
-            connect(config, &QPushButton::clicked, m_configButtonMapper, static_cast<void (QSignalMapper::*)()>(&QSignalMapper::map));
+            connect(config, &QPushButton::clicked, m_configButtonMapper, qOverload<>(&QSignalMapper::map));
             pw->layout()->addWidget(config);
         }
 
         QPushButton *details = new QPushButton("?");
         m_detailsButtonMapper->setMapping(details, identifier);
-        connect(details, &QPushButton::clicked, m_detailsButtonMapper, static_cast<void (QSignalMapper::*)()>(&QSignalMapper::map));
+        connect(details, &QPushButton::clicked, m_detailsButtonMapper, qOverload<>(&QSignalMapper::map));
         pw->layout()->addWidget(details);
 
         layout->setStretch(0, 1);