Pass data (array) to template problem.

I have next code in my controller:

$this->view->setVar('someAr', array(
    array(
        'k'=>'val1'
    ),
    array(
        'k'=>'val2'
    ),
));

in my .volt file (general layout):

{{ someAr[0]['k'] }},{{ someAr[1]['k'] }}

returns val1,val2 (as expected).

But this code returns nothing:

{% for itemt in someAr %}
    {{ itemt.k }}
{% endfor %}

What I'm doing wrong?