diff --git a/sources/main.cpp b/sources/main.cpp
index d9fc1bcc4..7440e0099 100644
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -31,8 +31,14 @@ int main(int argc, char **argv)
 	QCoreApplication::setOrganizationDomain("qelectrotech.org");
 	QCoreApplication::setApplicationName("QElectroTech");
 		//Creation and execution of the application
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
-QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
-#endif
+#ifdef Q_OS_WIN
+    SetProcessDPIAware(); // call before the main event loop
+#endif // Q_OS_WIN 
+
+#if QT_VERSION >= QT_VERSION_CHECK(5,6,0)
+    QApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
+#else
+    qputenv("QT_DEVICE_PIXEL_RATIO", QByteArray("1"));
+#endif // QT_VERSION
 	return(QETApp(argc, argv).exec());
 }