Easing an emitRate from 0 results in no particles on screen

import QtQuick 2.0
import QtQuick.Particles 2.0

Rectangle {
    width: 400
    height: 400
    color: "black"


    ParticleSystem {
        id: ps
        anchors.fill: parent

        ImageParticle {
            id: logoParticle
            source: "images/particle.png"
            color: "white"
            anchors.fill: parent
        }

        Emitter {
            id: pe
            anchors.fill: parent
            emitRate: 0
            lifeSpan: 750
            size: 10
            endSize: 2
            sizeVariation: 80
            velocity: AngleDirection {angleVariation: 180; magnitude: 50}
        }
        
    }

    SequentialAnimation {
        running: true
        NumberAnimation { target: pe; property: "emitRate"; to: 1000; duration: 1000; easing.type: Easing.InSine }
    }

}