QDockWidget loses cursor set with setCursor when floated

#include "mainwindow.h"
#include <QApplication>
#include <QDockWidget>
#include <QMainWindow>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QMainWindow w;
    w.resize(QSize(500,400));
    w.setCursor(Qt::OpenHandCursor);

    QDockWidget *dockWidget = new QDockWidget(&w);
    dockWidget->setCursor(QCursor(Qt::CrossCursor));
    dockWidget->setFloating(false);

    QWidget *dockWidgetContents = new QWidget();
    dockWidget->setWidget(dockWidgetContents);
    w.addDockWidget(Qt::RightDockWidgetArea, dockWidget);

    w.show();
    return a.exec();
}