Windows 10 Platform MenuBar hidden shortly before application is closed

import QtQml 2.2
import QtQuick.Controls 2.1

import Qt.labs.platform 1.0 as Platform

ApplicationWindow {
    id: window
    objectName: "window"
    width: 1200
    height: 800
    visible: true

    onClosing: {
        close.accepted = false
        Qt.quit()
    }

    Platform.MenuBar {
        Platform.Menu {
            id: fileMenu
            objectName: "fileMenu"
            title: qsTr("File")

            Platform.MenuItem {
                objectName: "newMenuItem"
                text: qsTr("New")
            }
        }
    }
}