Element helpers are not working in ejs with canjs 2.2.5

Can version: 2.2.5
Code

can.EJS.Helpers.prototype.elementHelper = function() {
return function(el) {
el.innerHTML = 'Simple';
};
};
var text = '

>

';
var compiled = new can.EJS({
text: text
})
.render();
console.log(compiled);

Output
<div id="hookup" data-view-id='145'></div>