Text: mis-aligned text

import QtQuick 2.3
import QtQuick.Window 2.2

Window {
    width: 200
    height: 200
    visible: true

    Rectangle {
        border.color: "red"
        anchors.centerIn: parent
        width: label.implicitWidth // note: label.contentWidth works
        height: label.implicitHeight

        Text {
            id: label
            anchors.fill: parent
            text: !ma.pressed ? "press me" : "this is mis-aligned"
            horizontalAlignment: Text.AlignHCenter // or Text.AlignRight
        }
    }

    MouseArea {
        id: ma
        anchors.fill: parent
    }
}