Force update to start always from 0 to Value not working: Random 0 value obtained

[djkad]

// I don't know why, but sometimes it work, sometimes it show 0
// This code is executed by a onclick event, after obtained the "voto" value from an ajax call
if ($('#element').data('easyPieChart')!==undefined) {
$('#element').data('easyPieChart').update(0);
$('#element').data('easyPieChart').update(voto);
} else {
$('#element').easyPieChart({
barColor:"#EC7205",
trackColor:"#F5F5F5",
scaleColor:"#FFF",
lineCap:"round",
lineWidth:8,
size:150,
onStep: function(from, to, percent) {
$('.easypie-data').html(Math.round(percent));
}
});
$('#element').data('easyPieChart').update(voto);
}