qmenu with qwidgetaction doesn't un-highlight the normal action when the mouse is on the widget action

#include <QApplication>
#include <QLabel>
#include <QMenu>
#include <QDebug>
#include <QStyle>
#include <QStyleOption>
#include <QPushButton>
#include <QWidgetAction>

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

        QPushButton button("Click");
        QMenu* menu = new QMenu(&button);
        button.setMenu(menu);

        QLabel* label = new QLabel("widget action #1", menu);
        label->setStyleSheet(":hover{color:red; background-color:palette(highlight);}");
        QWidgetAction* labelAction = new QWidgetAction(menu);
        labelAction->setDefaultWidget(label);
        menu->addAction(labelAction);

        label = new QLabel("widget action #2", menu);
        labelAction = new QWidgetAction(menu);
        labelAction->setDefaultWidget(label);
        menu->addAction(labelAction);

        menu->addAction("action #1");
        menu->addAction("regular action #2");

        button.show();

        return app.exec();
}