Regression: Font changes depending on the first character

#include <QApplication>
#include <QLabel>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QLabel* label1 = new QLabel();
    QString text = QString("%1test Öö").arg(QChar(0x25B6));
    label1->setText(text);
    label1->show();

    QLabel* label2 = new QLabel();
    QString text2 = QString("test%1test Öö").arg(QChar(0x25B6));
    label2->setText(text2);
    label2->show();

    QPoint label1Pos = label1->pos();
    label1Pos.ry() -= 60;
    label1->move(label1Pos);

    QPoint label2Pos = label2->pos();
    label1Pos.ry() += 60;
    label2->move(label2Pos);

    return a.exec();
}