Incorrect letter spacing for scaled QGraphicsWebView

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    QGraphicsView *view = new QGraphicsView(this);
    setCentralWidget(view);
    QGraphicsScene *scene = new QGraphicsScene(view);
    view->setScene(scene);

    w = new QGraphicsWebView();
    w->load(QUrl("http://blog.qt.digia.com/blog/2012/12/13/qt-5-0-rc2-released/"));
    w->resize(1000, 800);
    scene->addItem(w);

    w->setScale(1.4);

    resize(1000, 800);
}