diff --git a/qad/application/aboutwindow.cpp b/qad/application/aboutwindow.cpp
index 0130ebc..b5366a4 100644
--- a/qad/application/aboutwindow.cpp
+++ b/qad/application/aboutwindow.cpp
@@ -2,8 +2,12 @@
 #include "ui_aboutwindow.h"
 #include "qad_types.h"
 #include <QApplication>
-#include <QScreen>
 #include <QFile>
+#if QT_VERSION < 0x050000
+#  include <QDesktopWidget>
+#else
+#  include <QScreen>
+#endif
 
 #if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
 #  define MOBILE_VIEW