diff --git a/src/qt/qt_settings.cpp b/src/qt/qt_settings.cpp
index 67064b73a..471558e22 100644
--- a/src/qt/qt_settings.cpp
+++ b/src/qt/qt_settings.cpp
@@ -153,6 +153,8 @@ Settings::Settings(QWidget *parent)
             &SettingsSound::onCurrentMachineChanged);
     connect(machine, &SettingsMachine::currentMachineChanged, network,
             &SettingsNetwork::onCurrentMachineChanged);
+    connect(machine, &SettingsMachine::currentMachineChanged, ports,
+            &SettingsPorts::onCurrentMachineChanged);
     connect(machine, &SettingsMachine::currentMachineChanged, storageControllers,
             &SettingsStorageControllers::onCurrentMachineChanged);
     connect(machine, &SettingsMachine::currentMachineChanged, otherPeripherals,
diff --git a/src/qt/qt_settingsports.cpp b/src/qt/qt_settingsports.cpp
index e5a8039a4..630c843b9 100644
--- a/src/qt/qt_settingsports.cpp
+++ b/src/qt/qt_settingsports.cpp
@@ -38,6 +38,40 @@ SettingsPorts::SettingsPorts(QWidget *parent)
     , ui(new Ui::SettingsPorts)
 {
     ui->setupUi(this);
+    onCurrentMachineChanged(machine);
+}
+
+SettingsPorts::~SettingsPorts()
+{
+    delete ui;
+}
+
+void
+SettingsPorts::save()
+{
+    for (int i = 0; i < PARALLEL_MAX; i++) {
+        auto *cbox     = findChild<QComboBox *>(QString("comboBoxLpt%1").arg(i + 1));
+        auto *checkBox       = findChild<QCheckBox *>(QString("checkBoxParallel%1").arg(i + 1));
+        if (cbox != NULL)
+            lpt_ports[i].device  = cbox->currentData().toInt();
+        if (checkBox != NULL)
+            lpt_ports[i].enabled = checkBox->isChecked() ? 1 : 0;
+    }
+
+    for (int i = 0; i < SERIAL_MAX; i++) {
+        auto *checkBox     = findChild<QCheckBox *>(QString("checkBoxSerial%1").arg(i + 1));
+        auto *checkBoxPass = findChild<QCheckBox *>(QString("checkBoxSerialPassThru%1").arg(i + 1));
+        if (checkBox != NULL)
+            com_ports[i].enabled = checkBox->isChecked() ? 1 : 0;
+        if (checkBoxPass != NULL)
+            serial_passthrough_enabled[i] = checkBoxPass->isChecked();
+    }
+}
+
+void
+SettingsPorts::onCurrentMachineChanged(int machineId)
+{
+    this->machineId = machineId;
 
     for (int i = 0; i < PARALLEL_MAX; i++) {
         auto *cbox        = findChild<QComboBox *>(QString("comboBoxLpt%1").arg(i + 1));
@@ -79,33 +113,6 @@ SettingsPorts::SettingsPorts(QWidget *parent)
     }
 }
 
-SettingsPorts::~SettingsPorts()
-{
-    delete ui;
-}
-
-void
-SettingsPorts::save()
-{
-    for (int i = 0; i < PARALLEL_MAX; i++) {
-        auto *cbox     = findChild<QComboBox *>(QString("comboBoxLpt%1").arg(i + 1));
-        auto *checkBox       = findChild<QCheckBox *>(QString("checkBoxParallel%1").arg(i + 1));
-        if (cbox != NULL)
-            lpt_ports[i].device  = cbox->currentData().toInt();
-        if (checkBox != NULL)
-            lpt_ports[i].enabled = checkBox->isChecked() ? 1 : 0;
-    }
-
-    for (int i = 0; i < SERIAL_MAX; i++) {
-        auto *checkBox     = findChild<QCheckBox *>(QString("checkBoxSerial%1").arg(i + 1));
-        auto *checkBoxPass = findChild<QCheckBox *>(QString("checkBoxSerialPassThru%1").arg(i + 1));
-        if (checkBox != NULL)
-            com_ports[i].enabled = checkBox->isChecked() ? 1 : 0;
-        if (checkBoxPass != NULL)
-            serial_passthrough_enabled[i] = checkBoxPass->isChecked();
-    }
-}
-
 void
 SettingsPorts::on_checkBoxParallel1_stateChanged(int state)
 {
@@ -130,50 +137,6 @@ SettingsPorts::on_checkBoxParallel4_stateChanged(int state)
     ui->comboBoxLpt4->setEnabled(state == Qt::Checked);
 }
 
-void
-SettingsPorts::on_pushButtonSerialPassThru1_clicked()
-{
-    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 1, qobject_cast<Settings *>(Settings::settings));
-}
-
-void
-SettingsPorts::on_pushButtonSerialPassThru2_clicked()
-{
-    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 2, qobject_cast<Settings *>(Settings::settings));
-}
-
-void
-SettingsPorts::on_pushButtonSerialPassThru3_clicked()
-{
-    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 3, qobject_cast<Settings *>(Settings::settings));
-}
-
-void
-SettingsPorts::on_pushButtonSerialPassThru4_clicked()
-{
-    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 4, qobject_cast<Settings *>(Settings::settings));
-}
-
-#if 0
-void
-SettingsPorts::on_pushButtonSerialPassThru5_clicked()
-{
-    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 5, qobject_cast<Settings *>(Settings::settings));
-}
-
-void
-SettingsPorts::on_pushButtonSerialPassThru6_clicked()
-{
-    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 6, qobject_cast<Settings *>(Settings::settings));
-}
-
-void
-SettingsPorts::on_pushButtonSerialPassThru7_clicked()
-{
-    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 7, qobject_cast<Settings *>(Settings::settings));
-}
-#endif
-
 void
 SettingsPorts::on_checkBoxSerial1_stateChanged(int state)
 {
@@ -268,3 +231,47 @@ SettingsPorts::on_checkBoxSerialPassThru7_stateChanged(int state)
     ui->pushButtonSerialPassThru7->setEnabled(state == Qt::Checked);
 }
 #endif
+
+void
+SettingsPorts::on_pushButtonSerialPassThru1_clicked()
+{
+    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 1, qobject_cast<Settings *>(Settings::settings));
+}
+
+void
+SettingsPorts::on_pushButtonSerialPassThru2_clicked()
+{
+    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 2, qobject_cast<Settings *>(Settings::settings));
+}
+
+void
+SettingsPorts::on_pushButtonSerialPassThru3_clicked()
+{
+    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 3, qobject_cast<Settings *>(Settings::settings));
+}
+
+void
+SettingsPorts::on_pushButtonSerialPassThru4_clicked()
+{
+    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 4, qobject_cast<Settings *>(Settings::settings));
+}
+
+#if 0
+void
+SettingsPorts::on_pushButtonSerialPassThru5_clicked()
+{
+    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 5, qobject_cast<Settings *>(Settings::settings));
+}
+
+void
+SettingsPorts::on_pushButtonSerialPassThru6_clicked()
+{
+    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 6, qobject_cast<Settings *>(Settings::settings));
+}
+
+void
+SettingsPorts::on_pushButtonSerialPassThru7_clicked()
+{
+    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 7, qobject_cast<Settings *>(Settings::settings));
+}
+#endif
diff --git a/src/qt/qt_settingsports.hpp b/src/qt/qt_settingsports.hpp
index 7d332509c..83560914f 100644
--- a/src/qt/qt_settingsports.hpp
+++ b/src/qt/qt_settingsports.hpp
@@ -16,44 +16,47 @@ public:
 
     void save();
 
+public slots:
+    void onCurrentMachineChanged(int machineId);
+
 private slots:
-#if 0
-    void on_checkBoxSerialPassThru7_stateChanged(int state);
-    void on_checkBoxSerialPassThru6_stateChanged(int state);
-    void on_checkBoxSerialPassThru5_stateChanged(int state);
-#endif
-    void on_checkBoxSerialPassThru4_stateChanged(int state);
-    void on_checkBoxSerialPassThru3_stateChanged(int state);
-    void on_checkBoxSerialPassThru2_stateChanged(int state);
-    void on_checkBoxSerialPassThru1_stateChanged(int state);
-
-#if 0
-    void on_checkBoxSerial7_stateChanged(int state);
-    void on_checkBoxSerial6_stateChanged(int state);
-    void on_checkBoxSerial5_stateChanged(int state);
-#endif
-    void on_checkBoxSerial4_stateChanged(int state);
-    void on_checkBoxSerial3_stateChanged(int state);
-    void on_checkBoxSerial2_stateChanged(int state);
-    void on_checkBoxSerial1_stateChanged(int state);
-
-#if 0
-    void on_pushButtonSerialPassThru7_clicked();
-    void on_pushButtonSerialPassThru6_clicked();
-    void on_pushButtonSerialPassThru5_clicked();
-#endif
-    void on_pushButtonSerialPassThru4_clicked();
-    void on_pushButtonSerialPassThru3_clicked();
-    void on_pushButtonSerialPassThru2_clicked();
-    void on_pushButtonSerialPassThru1_clicked();
-
-    void on_checkBoxParallel4_stateChanged(int state);
-    void on_checkBoxParallel3_stateChanged(int state);
-    void on_checkBoxParallel2_stateChanged(int state);
     void on_checkBoxParallel1_stateChanged(int state);
+    void on_checkBoxParallel2_stateChanged(int state);
+    void on_checkBoxParallel3_stateChanged(int state);
+    void on_checkBoxParallel4_stateChanged(int state);
+
+    void on_checkBoxSerial1_stateChanged(int state);
+    void on_checkBoxSerial2_stateChanged(int state);
+    void on_checkBoxSerial3_stateChanged(int state);
+    void on_checkBoxSerial4_stateChanged(int state);
+#if 0
+    void on_checkBoxSerial5_stateChanged(int state);
+    void on_checkBoxSerial6_stateChanged(int state);
+    void on_checkBoxSerial7_stateChanged(int state);
+#endif
+    void on_checkBoxSerialPassThru1_stateChanged(int state);
+    void on_checkBoxSerialPassThru2_stateChanged(int state);
+    void on_checkBoxSerialPassThru3_stateChanged(int state);
+    void on_checkBoxSerialPassThru4_stateChanged(int state);
+#if 0
+    void on_checkBoxSerialPassThru5_stateChanged(int state);
+    void on_checkBoxSerialPassThru6_stateChanged(int state);
+    void on_checkBoxSerialPassThru7_stateChanged(int state);
+#endif
+
+    void on_pushButtonSerialPassThru1_clicked();
+    void on_pushButtonSerialPassThru2_clicked();
+    void on_pushButtonSerialPassThru3_clicked();
+    void on_pushButtonSerialPassThru4_clicked();
+#if 0
+    void on_pushButtonSerialPassThru5_clicked();
+    void on_pushButtonSerialPassThru6_clicked();
+    void on_pushButtonSerialPassThru7_clicked();
+#endif
 
 private:
     Ui::SettingsPorts *ui;
+    int                machineId = 0;
 };
 
 #endif // QT_SETTINGSPORTS_HPP