"Calibri" font detected as bitmap font in Qt Quick

import QtQuick 2.6
import QtQuick.Window 2.2

Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    Text {
        id: text
        text: "Foobar"
        font.family: "Calibri"
        anchors.centerIn: parent
        scale: 20
    }
}