diff --git a/Demos/src/QtWidgetsDemoApp.cpp b/Demos/src/QtWidgetsDemoApp.cpp
index 25d15eb47..33977a6d4 100644
--- a/Demos/src/QtWidgetsDemoApp.cpp
+++ b/Demos/src/QtWidgetsDemoApp.cpp
@@ -8,10 +8,22 @@ const auto MIN_ZOOM = 0;
 const auto MAP_DPI = 96;
 
 namespace {
+// used with QWheelEvent
 template <typename EventType>
 auto pos(EventType* event)
 {
-#if QT_VERSION < 0x051400
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+    return event->pos();
+#else
+    return event->position().toPoint();
+#endif
+}
+
+// used with QMouseEvent
+template <typename EventType>
+auto pos2(EventType* event)
+{
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     return event->pos();
 #else
     return event->position().toPoint();
@@ -58,15 +70,15 @@ class MapFrame : public QWidget {
 
     void mousePressEvent(QMouseEvent* ev) override
     {
-        m_lastMousePos = ::pos(ev);
+        m_lastMousePos = ::pos2(ev);
     }
 
     void mouseMoveEvent(QMouseEvent* ev) override
     {
-        auto x_delta = ::pos(ev).x() - m_lastMousePos.x();
-        auto y_delta = ::pos(ev).y() - m_lastMousePos.y();
+        auto x_delta = ::pos2(ev).x() - m_lastMousePos.x();
+        auto y_delta = ::pos2(ev).y() - m_lastMousePos.y();
         m_currentProjection.Move(-x_delta, y_delta);
-        m_lastMousePos = ::pos(ev);
+        m_lastMousePos = ::pos2(ev);
         update();
     }
 
diff --git a/Tests/src/DrawTextQt.cpp b/Tests/src/DrawTextQt.cpp
index 35bcdd459..148383019 100644
--- a/Tests/src/DrawTextQt.cpp
+++ b/Tests/src/DrawTextQt.cpp
@@ -100,7 +100,7 @@ void DrawWindow::drawText1(QPainter *painter, QString string, const osmscout::La
 
       painter->drawText(point.GetX(), point.GetY(), QString(string[i]));
 
-#if QT_VERSION < 0x051100
+#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
       offset+=metrics.width(string[i]);
 #else
       offset+=metrics.horizontalAdvance(string[i]);
diff --git a/libosmscout-client-qt/include/osmscoutclientqt/InstalledVoicesModel.h b/libosmscout-client-qt/include/osmscoutclientqt/InstalledVoicesModel.h
index 313ab69b9..19bc0a48d 100644
--- a/libosmscout-client-qt/include/osmscoutclientqt/InstalledVoicesModel.h
+++ b/libosmscout-client-qt/include/osmscoutclientqt/InstalledVoicesModel.h
@@ -29,7 +29,7 @@
 #include <QAbstractListModel>
 #include <QList>
 #include <QMediaPlayer>
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <QMediaPlaylist>
 #endif
 
@@ -89,7 +89,7 @@ public slots:
   SettingsRef settings;
 
   // we setup QObject parents, objects are cleaned after Module destruction
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   QMediaPlaylist *currentPlaylist{nullptr};
 #endif
   QMediaPlayer *mediaPlayer{nullptr};
diff --git a/libosmscout-client-qt/include/osmscoutclientqt/NavigationModule.h b/libosmscout-client-qt/include/osmscoutclientqt/NavigationModule.h
index 3f0492901..3241a9337 100644
--- a/libosmscout-client-qt/include/osmscoutclientqt/NavigationModule.h
+++ b/libosmscout-client-qt/include/osmscoutclientqt/NavigationModule.h
@@ -45,7 +45,7 @@
 #include <QTimer>
 #include <QMediaPlayer>
 
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   #include <QMediaPlaylist>
 #endif
 
@@ -53,7 +53,7 @@
 
 namespace osmscout {
 
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   using QtMediaPlayerState = QMediaPlayer::State;
 #else
   using QtMediaPlayerState = QMediaPlayer::PlaybackState;
@@ -142,7 +142,7 @@ public slots:
   QString voiceDir;
   // player and playlist should be created in module thread, not in UI thread (constructor)
   // we setup QObject parents, objects are cleaned after Module destruction
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   QMediaPlaylist *currentPlaylist{nullptr};
 #endif
   QMediaPlayer *mediaPlayer{nullptr};
diff --git a/libosmscout-client-qt/src/osmscoutclientqt/InstalledVoicesModel.cpp b/libosmscout-client-qt/src/osmscoutclientqt/InstalledVoicesModel.cpp
index 56976f876..dd67326a3 100644
--- a/libosmscout-client-qt/src/osmscoutclientqt/InstalledVoicesModel.cpp
+++ b/libosmscout-client-qt/src/osmscoutclientqt/InstalledVoicesModel.cpp
@@ -136,7 +136,7 @@ void InstalledVoicesModel::playSample(const QModelIndex &index, const QStringLis
     return;
   }
 
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   if (mediaPlayer==nullptr){
     assert(currentPlaylist==nullptr);
     mediaPlayer = new QMediaPlayer(this);
diff --git a/libosmscout-client-qt/src/osmscoutclientqt/NavigationModule.cpp b/libosmscout-client-qt/src/osmscoutclientqt/NavigationModule.cpp
index e9cbe991e..2abfac1c5 100644
--- a/libosmscout-client-qt/src/osmscoutclientqt/NavigationModule.cpp
+++ b/libosmscout-client-qt/src/osmscoutclientqt/NavigationModule.cpp
@@ -56,19 +56,19 @@ void NavigationModule::InitPlayer()
   }
 
   if (mediaPlayer==nullptr){
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     assert(currentPlaylist==nullptr);
 #endif
     mediaPlayer = new QMediaPlayer(this);
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     currentPlaylist = new QMediaPlaylist(mediaPlayer);
 #endif
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     connect(mediaPlayer, &QMediaPlayer::stateChanged, this, &NavigationModule::playerStateChanged);
 #else
     connect(mediaPlayer, &QMediaPlayer::playbackStateChanged, this, &NavigationModule::playerStateChanged);
 #endif
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     mediaPlayer->setPlaylist(currentPlaylist);
 #endif
   }
@@ -138,7 +138,7 @@ void NavigationModule::ProcessMessages(const std::list<osmscout::NavigationMessa
         nextMessage = voiceInstructionMessage->message;
         InitPlayer();
         assert(mediaPlayer);
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
         playerStateChanged(mediaPlayer->state());
 #else
         playerStateChanged(mediaPlayer->playbackState());
@@ -329,7 +329,7 @@ QString NavigationModule::sampleFile(osmscout::VoiceInstructionMessage::VoiceSam
   }
 }
 
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   void NavigationModule::playerStateChanged(QMediaPlayer::State state)
 #else
   void NavigationModule::playerStateChanged(QMediaPlayer::PlaybackState state)
@@ -339,26 +339,26 @@ QString NavigationModule::sampleFile(osmscout::VoiceInstructionMessage::VoiceSam
     qWarning() << "Player state changed from incorrect thread;" << thread << "!=" << QThread::currentThread();
   }
 
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   qDebug() << "Voice player state:" << mediaPlayer->state() << "(" << currentPlaylist->currentIndex() << "/" << currentPlaylist->mediaCount() << ")";
 #endif
   if (!voiceDir.isEmpty() &&
       !nextMessage.empty() &&
       state == QMediaPlayer::StoppedState) {
 
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     currentPlaylist->clear();
 #endif
 
     for (const auto& sample : nextMessage){
       auto sampleUrl = QUrl::fromLocalFile(voiceDir + QDir::separator() + sampleFile(sample));
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
       qDebug() << "Adding to playlist:" << sampleUrl;
       currentPlaylist->addMedia(sampleUrl);
 #endif
     }
     nextMessage.clear();
-#if QT_VERSION < 0x060000
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     currentPlaylist->setCurrentIndex(0);
 #endif
     mediaPlayer->play();