TabBar does not get flickable when using Universal theme

import QtQuick 2.12
import QtQuick.Controls 2.5

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("Tabs")


    footer: TabBar {
        id: tabBar
        currentIndex: swipeView.currentIndex

        Repeater {
            model: 10

            TabButton {
                text: qsTr("Page ") + index
                width: implicitWidth
            }
        }
    }
}