1 files changed, 3 insertions, 2 deletions
diff --git a/examples/opengl/hellogl2/main.cpp b/examples/opengl/hellogl2/main.cpp
index e0cffaf4c2b..96b96e77ee3 100644
--- a/examples/opengl/hellogl2/main.cpp
+++ b/examples/opengl/hellogl2/main.cpp
@@ -50,6 +50,7 @@
 
 #include <QApplication>
 #include <QSurfaceFormat>
+#include <QScreen>
 #include <QCommandLineParser>
 #include <QCommandLineOption>
 
@@ -94,8 +95,8 @@ int main(int argc, char *argv[])
         mainWindow.setAttribute(Qt::WA_NoSystemBackground, false);
     }
     mainWindow.resize(mainWindow.sizeHint());
-    int desktopArea = QApplication::desktop()->width() *
-                     QApplication::desktop()->height();
+    int desktopArea = QGuiApplication::primaryScreen()->size().width() *
+                      QGuiApplication::primaryScreen()->size().height();
     int widgetArea = mainWindow.width() * mainWindow.height();
     if (((float)widgetArea / (float)desktopArea) < 0.75f)
         mainWindow.show();