QPrintDialog::accept() does not work, if page ranges are entered (Linux)

void QPrintDialog::accept()
{
    Q_D(QPrintDialog);
#if QT_CONFIG(cups)
    if (d->options.pagesRadioButton->isChecked() && printer()->pageRanges().isEmpty()) {
        QMessageBox::critical(this, tr("Invalid Pages Definition"),
                              tr("%1 does not follow the correct syntax. Please use ',' to separate "
                              "ranges and pages, '-' to define ranges and make sure ranges do "
                              "not intersect with each other.").arg(d->options.pagesLineEdit->text()),
                              QMessageBox::Ok, QMessageBox::Ok);
        return;
    }
    if (d->top->d->m_duplexPpdOption && d->top->d->m_duplexPpdOption->conflicted) {
        const QMessageBox::StandardButton answer = QMessageBox::warning(this, tr("Duplex Settings Conflicts"),
                                                                        tr("There are conflicts in duplex settings. Do you want to fix them?"),
                                                                        QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
        if (answer != QMessageBox::No)
            return;
    }
#endif
    d->setupPrinter();
    QDialog::accept();
}