A QLabel with word wrapped text gets clipped

#include <QtGui>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
 QWizard * wizard = new QWizard;
 QWizardPage * page = new QWizardPage;
 page->setTitle("Introduction");
    QVBoxLayout *layout = new QVBoxLayout;
    page->setLayout(layout);
 QLabel* lbl = new QLabel;
 lbl->setWordWrap( true );
 lbl->setText( "This is a very long text inserted into a QLabel. "
               "If you resize the wizard to a small size the text "
               "will be mangeled! This is not the case for other "
               "non-QWizard-dialogs." );
 layout->addWidget( lbl );
 wizard->addPage(page);
 wizard->show();
    return app.exec();
}