StrictlyEnforceRange + sections leads to strange snapping

import QtQuick 2.0

Item {
    width: 400
    height: 400

    ListView {
        anchors.fill: parent
        preferredHighlightBegin: 100
        preferredHighlightEnd: 100
        highlightRangeMode: ListView.StrictlyEnforceRange
        model: ListModel {
            ListElement { section: "1" }
            ListElement { section: "1" }
            ListElement { section: "1" }
            ListElement { section: "2" }
            ListElement { section: "2" }
            ListElement { section: "2" }
            ListElement { section: "3" }
            ListElement { section: "3" }
            ListElement { section: "3" }
            ListElement { section: "4" }
            ListElement { section: "4" }
            ListElement { section: "4" }
            ListElement { section: "5" }
            ListElement { section: "5" }
            ListElement { section: "5" }
            ListElement { section: "6" }
            ListElement { section: "6" }
            ListElement { section: "6" }
        }

        delegate: Rectangle {
            width: parent.width
            height: 50
            color: index % 2 ? "lightsteelblue" : "steelblue"
            Text {
                anchors.centerIn: parent
                color: "white"
                text: model.index
            }
        }

        section.property: "section"
        section.delegate: Rectangle {
            width: parent.width
            height: 50
            color: "green"
            Text {
                anchors.centerIn: parent
                color: "white"
                text: "section"
            }
        }

        highlight: Rectangle {
            y: 100
            z: 2
            width: parent.width
            height: 50
            color: "#80FF0000"
        }
    }
}