QFont::setStyleStrategy( QFont::NoAntialias ) does not disable antialiasing in QWS

#include <QtGui/QApplication>
#include <QLabel>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QFont font = a.font();
    font.setStyleStrategy(QFont::NoAntialias);
    a.setFont(font);
    QLabel label("I have blue eyes and only 4\nfingers");
    label.show();
    return a.exec();
}