diff --git a/src/Gui/Action.cpp b/src/Gui/Action.cpp
index a75bf5df68..5d0ea6a90f 100644
--- a/src/Gui/Action.cpp
+++ b/src/Gui/Action.cpp
@@ -37,6 +37,10 @@
 # include <QToolButton>
 #endif
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+# include <QScreen>
+#endif
+
 #include <Base/Tools.h>
 #include "Action.h"
 #include "Application.h"
@@ -420,7 +424,11 @@ void WorkbenchComboBox::showPopup()
     int rows = count();
     if (rows > 0) {
         int height = view()->sizeHintForRow(0);
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+        int maxHeight = QApplication::primaryScreen()->size().height();
+#else
         int maxHeight = QApplication::desktop()->height();
+#endif
         view()->setMinimumHeight(qMin(height * rows, maxHeight/2));
     }
 
diff --git a/src/Gui/DlgPreferencesImp.cpp b/src/Gui/DlgPreferencesImp.cpp
index 260ed4132e..f327cd7740 100644
--- a/src/Gui/DlgPreferencesImp.cpp
+++ b/src/Gui/DlgPreferencesImp.cpp
@@ -34,6 +34,10 @@
 # include <QScrollBar>
 #endif
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+# include <QScreen>
+#endif
+
 #include <Base/Exception.h>
 #include <Base/Console.h> 
 #include <App/Application.h>
@@ -307,7 +311,11 @@ void DlgPreferencesImp::resizeEvent(QResizeEvent* ev)
     if (canEmbedScrollArea) {
         // embed the widget stack into a scroll area if the size is
         // bigger than the available desktop
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+        QRect rect = QApplication::primaryScreen()->availableGeometry();
+#else
         QRect rect = QApplication::desktop()->availableGeometry();
+#endif
         int maxHeight = rect.height() - 60;
         int maxWidth = rect.width();
         if (height() > maxHeight || width() > maxWidth) {
diff --git a/src/Gui/MainWindow.cpp b/src/Gui/MainWindow.cpp
index d463acd077..458993b560 100644
--- a/src/Gui/MainWindow.cpp
+++ b/src/Gui/MainWindow.cpp
@@ -53,6 +53,10 @@
 # include <QWhatsThis>
 #endif
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+# include <QScreen>
+#endif
+
 // FreeCAD Base header
 #include <Base/Parameter.h>
 #include <Base/Exception.h>
@@ -1409,7 +1413,11 @@ void MainWindow::loadWindowSettings()
     QString qtver = QString::fromLatin1("Qt%1.%2").arg(major).arg(minor);
     QSettings config(vendor, application);
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+    QRect rect = QApplication::primaryScreen()->availableGeometry();
+#else
     QRect rect = QApplication::desktop()->availableGeometry();
+#endif
     int maxHeight = rect.height();
     int maxWidth = rect.width();
 
diff --git a/src/Gui/Splashscreen.cpp b/src/Gui/Splashscreen.cpp
index d3e04ba27b..66efe4df49 100644
--- a/src/Gui/Splashscreen.cpp
+++ b/src/Gui/Splashscreen.cpp
@@ -44,6 +44,10 @@
 # include <QGLContext>
 #endif
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+# include <QScreen>
+#endif
+
 #include <LibraryVersions.h>
 #include <zlib.h>
 #include <boost/version.hpp>
@@ -234,7 +238,11 @@ AboutDialog::AboutDialog(bool showLic, QWidget* parent)
 
     setModal(true);
     ui->setupUi(this);
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+    QRect rect = QApplication::primaryScreen()->availableGeometry();
+#else
     QRect rect = QApplication::desktop()->availableGeometry();
+#endif
     QPixmap image = getMainWindow()->splashImage();
 
     // Make sure the image is not too big
diff --git a/src/Mod/Spreadsheet/Gui/qtcolorpicker.cpp b/src/Mod/Spreadsheet/Gui/qtcolorpicker.cpp
index 584f0ce2a8..0d2db3db0b 100644
--- a/src/Mod/Spreadsheet/Gui/qtcolorpicker.cpp
+++ b/src/Mod/Spreadsheet/Gui/qtcolorpicker.cpp
@@ -64,6 +64,10 @@
 #include <QtGui/QMouseEvent>
 #include <math.h>
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+# include <QScreen>
+#endif
+
 #include "qtcolorpicker.h"
 
 /*! \class QtColorPicker
@@ -312,7 +316,11 @@ void QtColorPicker::buttonPressed(bool toggled)
     if (!toggled)
         return;
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+    const QRect desktop = QApplication::primaryScreen()->geometry();
+#else
     const QRect desktop = QApplication::desktop()->geometry();
+#endif
     // Make sure the popup is inside the desktop.
     QPoint pos = mapToGlobal(rect().bottomLeft());
     if (pos.x() < desktop.left())
diff --git a/src/Mod/Web/Gui/BrowserView.cpp b/src/Mod/Web/Gui/BrowserView.cpp
index fc7c860336..e649f799ec 100644
--- a/src/Mod/Web/Gui/BrowserView.cpp
+++ b/src/Mod/Web/Gui/BrowserView.cpp
@@ -71,6 +71,10 @@
 # define QWEBPAGE QWebPage
 #endif
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+# include <QScreen>
+#endif
+
 #include <QLatin1String>
 #include <QRegExp>
 #include "BrowserView.h"
@@ -239,7 +243,11 @@ WebView::WebView(QWidget *parent)
     : QWEBVIEW(parent)
 {
     // Increase html font size for high DPI displays
+#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
+    QRect mainScreenSize = QApplication::primaryScreen()->geometry();
+#else
     QRect mainScreenSize = QApplication::desktop()->screenGeometry();
+#endif
     if (mainScreenSize.width() > 1920){
         setTextSizeMultiplier (mainScreenSize.width()/1920.0);
     }