diff --git a/src/screenshotdialog.cpp b/src/screenshotdialog.cpp
--- a/src/screenshotdialog.cpp
+++ b/src/screenshotdialog.cpp
@@ -86,9 +86,16 @@
         QTimer::singleShot(1000 * m_dialog->delaySpinBox->value(), this, &ScreenshotDialog::takeScreenshot);
     });
 
-    connect(m_dialog->areaComboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, [this] (int index) {
-        m_dialog->includeBordersCheckbox->setEnabled(index == 2);
-    });
+    connect(m_dialog->areaComboBox,
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+            QOverload<int, const QString&>::of(&QComboBox::currentIndexChanged),
+#else
+            QOverload<int>::of(&QComboBox::currentIndexChanged),
+#endif
+            this, [this] (int index) {
+                m_dialog->includeBordersCheckbox->setEnabled(index == 2);
+            }
+    );
 
     m_dialog->buttonBox->button(QDialogButtonBox::Save)->setEnabled(false);