diff --git a/src/lib/webengine/webview.cpp b/src/lib/webengine/webview.cpp
--- a/src/lib/webengine/webview.cpp
+++ b/src/lib/webengine/webview.cpp
@@ -1030,6 +1030,7 @@
         return;
     }
 
+#if QT_VERSION < QT_VERSION_CHECK(5,15,0)
     if (event->modifiers() & Qt::ControlModifier) {
         m_wheelHelper.processEvent(event);
         while (WheelHelper::Direction direction = m_wheelHelper.takeDirection()) {
@@ -1051,10 +1052,12 @@
         event->accept();
         return;
     }
+#endif
 
     m_wheelHelper.reset();
 
-    // QtWebEngine ignores QApplication::wheelScrollLines() and instead always scrolls 3 lines
+#if QT_VERSION < QT_VERSION_CHECK(5,9,0)
+    // QtWebEngine < 5.9 ignores QApplication::wheelScrollLines() and instead always scrolls 3 lines
     if (event->spontaneous()) {
         const qreal multiplier = QApplication::wheelScrollLines() / 3.0;
         if (multiplier != 1.0) {
@@ -1065,6 +1068,7 @@
             event->accept();
         }
     }
+#endif
 }
 
 void WebView::_mousePressEvent(QMouseEvent *event)