Nested pressDelays crashes application

import Qt 4.7

Rectangle {
    width: 480
    height: 800

    ListView {
        id: list
        model : 5
        property int prevIndex: 0
        width: 480
        height: 800
        anchors.centerIn: parent
        orientation: ListView.Horizontal
        highlightRangeMode: ListView.StrictlyEnforceRange
        snapMode: ListView.SnapToItem
        boundsBehavior: ListView.StopAtBounds
        currentIndex: 149
        onMovementEnded : {
            list.positionViewAtIndex(149, ListView.Beginning)
        }
        keyNavigationWraps: true
        //
        pressDelay: 200
        //
        delegate:
                Flickable {
            flickableDirection: Flickable.VerticalFlick
            width: 480
            height: 1800
            //
            pressDelay: 200
            //
            Rectangle {
                width: 480
                height: 900
                border.width: 3
                border.color: 'red'
                Rectangle {
                    y: 100
                    anchors.horizontalCenter: parent.horizontalCenter
                    width: 200
                    height: 100
                    color: 'green'
                    Text {
                        text: 'Click here'
                        anchors.centerIn: parent
                        color: 'white'
                        font.pixelSize: 30
                    }
                    MouseArea {
                        anchors.fill: parent
                    }
                }
            }
        }
    }
}