diff --git a/src/Gui/KSMainWindow.h b/src/Gui/KSMainWindow.h
--- a/src/Gui/KSMainWindow.h
+++ b/src/Gui/KSMainWindow.h
@@ -41,7 +41,7 @@
 
     public:
 
-    explicit KSMainWindow(bool onClickAvailable, QWidget *parent = nullptr);
+    explicit KSMainWindow(const QVector<ImageGrabber::GrabMode>& supportedModes, bool onClickAvailable, QWidget *parent = nullptr);
     ~KSMainWindow() Q_DECL_OVERRIDE;
 
     private:
diff --git a/src/Gui/KSMainWindow.cpp b/src/Gui/KSMainWindow.cpp
--- a/src/Gui/KSMainWindow.cpp
+++ b/src/Gui/KSMainWindow.cpp
@@ -49,9 +49,9 @@
 static const int DEFAULT_WINDOW_WIDTH = 840;
 static const int MAXIMUM_WINDOW_WIDTH = 1000;
 
-KSMainWindow::KSMainWindow(bool onClickAvailable, QWidget *parent) :
+KSMainWindow::KSMainWindow(const QVector<ImageGrabber::GrabMode>& supportedModes, bool onClickAvailable, QWidget *parent) :
     QDialog(parent),
-    mKSWidget(new KSWidget(this)),
+    mKSWidget(new KSWidget(supportedModes, this)),
     mDivider(new QFrame(this)),
     mDialogButtonBox(new QDialogButtonBox(this)),
     mConfigureButton(new QToolButton(this)),
@@ -99,9 +99,9 @@
         uint32_t value = 1;
         xcb_change_property(xcbConn, XCB_PROP_MODE_REPLACE, winId(), atom->atom, XCB_ATOM_CARDINAL, 32, 1, &value);
     }
+    done:
 #endif
 
-    done:
     QMetaObject::invokeMethod(this, "init", Qt::QueuedConnection);
 }
 
diff --git a/src/Gui/KSWidget.h b/src/Gui/KSWidget.h
--- a/src/Gui/KSWidget.h
+++ b/src/Gui/KSWidget.h
@@ -43,7 +43,7 @@
 
 	public:
 
-    explicit KSWidget(QWidget *parent = nullptr);
+    explicit KSWidget(const QVector<ImageGrabber::GrabMode>& supportedModes, QWidget *parent = nullptr);
 
     int imagePaddingWidth() const;
 
diff --git a/src/Gui/KSWidget.cpp b/src/Gui/KSWidget.cpp
--- a/src/Gui/KSWidget.cpp
+++ b/src/Gui/KSWidget.cpp
@@ -36,7 +36,7 @@
 #include <QShortcut>
 
 
-KSWidget::KSWidget(QWidget *parent) :
+KSWidget::KSWidget(const QVector<ImageGrabber::GrabMode>& supportedModes, QWidget *parent) :
     QWidget(parent)
 {
     // get a handle to the configuration manager
@@ -54,11 +54,16 @@
     mCaptureModeLabel = new QLabel(i18n("<b>Capture Mode</b>"), this);
 
     mCaptureArea = new QComboBox(this);
-    mCaptureArea->insertItem(1, i18n("Full Screen (All Monitors)"), ImageGrabber::FullScreen);
-    mCaptureArea->insertItem(2, i18n("Current Screen"), ImageGrabber::CurrentScreen);
-    mCaptureArea->insertItem(3, i18n("Active Window"), ImageGrabber::ActiveWindow);
-    mCaptureArea->insertItem(4, i18n("Window Under Cursor"), ImageGrabber::WindowUnderCursor);
-    mCaptureArea->insertItem(5, i18n("Rectangular Region"), ImageGrabber::RectangularRegion);
+    if (supportedModes.contains(ImageGrabber::FullScreen))
+        mCaptureArea->insertItem(1, i18n("Full Screen (All Monitors)"), ImageGrabber::FullScreen);
+    if (supportedModes.contains(ImageGrabber::CurrentScreen))
+        mCaptureArea->insertItem(2, i18n("Current Screen"), ImageGrabber::CurrentScreen);
+    if (supportedModes.contains(ImageGrabber::ActiveWindow))
+        mCaptureArea->insertItem(3, i18n("Active Window"), ImageGrabber::ActiveWindow);
+    if (supportedModes.contains(ImageGrabber::WindowUnderCursor))
+        mCaptureArea->insertItem(4, i18n("Window Under Cursor"), ImageGrabber::WindowUnderCursor);
+    if (supportedModes.contains(ImageGrabber::RectangularRegion))
+        mCaptureArea->insertItem(5, i18n("Rectangular Region"), ImageGrabber::RectangularRegion);
     mCaptureArea->setMinimumWidth(240);
     connect(mCaptureArea, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &KSWidget::captureModeChanged);
 
@@ -156,7 +161,8 @@
     mCaptureOnClick->setChecked       (configManager->onClickChecked());
     mCaptureTransientOnly->setChecked (configManager->captureTransientWindowOnlyChecked());
     mQuitAfterSaveOrCopy->setChecked  (configManager->quitAfterSaveOrCopyChecked());
-    mCaptureArea->setCurrentIndex     (configManager->captureMode());
+    if (configManager->captureMode()>=0)
+        mCaptureArea->setCurrentIndex     (configManager->captureMode());
     mDelayMsec->setValue              (configManager->captureDelay());
 
     // done
diff --git a/src/PlatformBackends/DummyImageGrabber.h b/src/PlatformBackends/DummyImageGrabber.h
--- a/src/PlatformBackends/DummyImageGrabber.h
+++ b/src/PlatformBackends/DummyImageGrabber.h
@@ -34,6 +34,7 @@
     explicit DummyImageGrabber(QObject *parent = nullptr);
     ~DummyImageGrabber() Q_DECL_OVERRIDE;
 
+    QVector<ImageGrabber::GrabMode> supportedModes() const override { return {FullScreen, CurrentScreen, ActiveWindow, WindowUnderCursor, TransientWithParent, RectangularRegion}; }
     bool onClickGrabSupported() const Q_DECL_OVERRIDE;
 
     protected:
diff --git a/src/PlatformBackends/ImageGrabber.h b/src/PlatformBackends/ImageGrabber.h
--- a/src/PlatformBackends/ImageGrabber.h
+++ b/src/PlatformBackends/ImageGrabber.h
@@ -60,6 +60,7 @@
     bool captureDecorations() const;
     GrabMode grabMode() const;
 
+    virtual QVector<GrabMode> supportedModes() const = 0;
     virtual bool onClickGrabSupported() const;
 
     void setCapturePointer(const bool newCapturePointer);
diff --git a/src/PlatformBackends/KWinWaylandImageGrabber.h b/src/PlatformBackends/KWinWaylandImageGrabber.h
--- a/src/PlatformBackends/KWinWaylandImageGrabber.h
+++ b/src/PlatformBackends/KWinWaylandImageGrabber.h
@@ -30,6 +30,7 @@
     explicit KWinWaylandImageGrabber(QObject * parent = nullptr);
     ~KWinWaylandImageGrabber() Q_DECL_OVERRIDE;
 
+    QVector<ImageGrabber::GrabMode> supportedModes() const override { return {FullScreen, CurrentScreen, /*ActiveWindow, */WindowUnderCursor, TransientWithParent/*, RectangularRegion*/}; }
     bool onClickGrabSupported() const Q_DECL_OVERRIDE;
 
     protected:
diff --git a/src/PlatformBackends/X11ImageGrabber.h b/src/PlatformBackends/X11ImageGrabber.h
--- a/src/PlatformBackends/X11ImageGrabber.h
+++ b/src/PlatformBackends/X11ImageGrabber.h
@@ -50,6 +50,7 @@
     explicit X11ImageGrabber(QObject * parent = nullptr);
     ~X11ImageGrabber() Q_DECL_OVERRIDE;
 
+    QVector<ImageGrabber::GrabMode> supportedModes() const override { return {FullScreen, CurrentScreen, ActiveWindow, WindowUnderCursor, TransientWithParent, RectangularRegion}; }
     bool onClickGrabSupported() const Q_DECL_OVERRIDE;
 
     protected:
diff --git a/src/SpectacleConfig.cpp b/src/SpectacleConfig.cpp
--- a/src/SpectacleConfig.cpp
+++ b/src/SpectacleConfig.cpp
@@ -193,7 +193,7 @@
 
 int SpectacleConfig::captureMode() const
 {
-    return mGuiConfig.readEntry(QStringLiteral("captureModeIndex"), 0);
+    return std::max(0, mGuiConfig.readEntry(QStringLiteral("captureModeIndex"), 0));
 }
 
 void SpectacleConfig::setCaptureMode(int index)
diff --git a/src/SpectacleCore.cpp b/src/SpectacleCore.cpp
--- a/src/SpectacleCore.cpp
+++ b/src/SpectacleCore.cpp
@@ -304,7 +304,7 @@
 void SpectacleCore::initGui()
 {
     if (!isGuiInited) {
-        mMainWindow = new KSMainWindow(mImageGrabber->onClickGrabSupported());
+        mMainWindow = new KSMainWindow(mImageGrabber->supportedModes(), mImageGrabber->onClickGrabSupported());
 
         connect(mMainWindow, &KSMainWindow::newScreenshotRequest, this, &SpectacleCore::takeNewScreenshot);
         connect(mMainWindow, &KSMainWindow::dragAndDropRequest, this, &SpectacleCore::doStartDragAndDrop);