[Form] Boolean choice field not preselected

Controller_DefaultController.php

<?php

namespace BUM\TestBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;

use BUM\TestBundle\Form\FooType;
use BUM\TestBundle\Entity\Foo;

/**
 * @Route("/formtest")
 */
class DefaultController extends Controller
{
	/**
	 * @Route("/", name="formtest_index")
	 * @Template()
	 */
    public function indexAction()
    {
        $em = $this->get('doctrine')->getEntityManager();
		$items = $em->getRepository('BUMTestBundle:Foo')->findAll();
		if (!$items) {
			throw new NotFoundHttpException('No database entries found! Load fixtures.');
		}

		$forms = array();
		foreach ($items as $item) {
			$form = $this->get('form.factory')->create(new FooType(), $item);
			$forms[] = $form->createView();
		}
		
/*
		if ($this->get('request')->getMethod() == 'POST') {
			$form->bindRequest($this->get('request'));
			if ($form->isValid()) {
				$em->flush();
				return $this->redirect($this->generateUrl('formtest_index'));
			}
		}*/

		return array(
			'forms' => $forms,
			'foo' => $items,
		);
    }
}

DataFixtures_ORM_LoadFooData.php

<?php

namespace BUM\TestBundle\DataFixtures\ORM;

use Doctrine\Common\DataFixtures\FixtureInterface;
use BUM\TestBundle\Entity\Foo;

class LoadFooData implements FixtureInterface
{

	public function load($manager)
	{
		$foo = new Foo();
		$foo->setName('name1 - inactive');
		$foo->setActive(0);
		$manager->persist($foo);

		$foo2 = new Foo();
		$foo2->setName('name2 - active');
		$foo2->setActive(1);
		$manager->persist($foo2);
		
		$manager->flush();
	}
}

Entity_Foo.php

<?php

namespace BUM\TestBundle\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;

/**
 * @ORM\Entity
 * @ORM\Table(name="test")
 */

class Foo
{
	/**
	 * @var integer
	 *
	 * @ORM\Column(type="integer")
	 * @ORM\Id
	 * @ORM\GeneratedValue(strategy="AUTO")
	 */
	protected $id;

	/**
	 * @var string
	 *
	 * @ORM\Column(type="string", length="50")
	 */
	protected $name;

	/**
	 * @var boolean
	 *
	 * @ORM\Column(type="boolean", nullable=false)
	 */
	protected $active;

	public function getId()
	{
		return $this->id;
	}

	public function setId($id)
	{
		$this->id = $id;
	}

	public function setName($name)
	{
		$this->name = $name;
	}

	public function getName()
	{
		return $this->name;
	}

	public function setActive($active)
	{
		$this->active = $active;
	}

	public function getActive()
	{
		return $this->active;
	}
}

Form_FooType.php

<?php

namespace BUM\TestBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilder;

class FooType extends AbstractType
{
	public function buildForm(FormBuilder $builder, array $options)
	{
		$builder->add('name')
				->add('active', 'choice', array(
						'label' => 'Active',
						'required' => false,
						'expanded' => true,
						'multiple' => false,
						'choices' => array( 0 => 'no', 1 => 'yes')))
				;
	}

	public function getDefaultOptions(array $options)
	{
		return array(
			'data_class' => 'BUM\TestBundle\Entity\Foo',
		);
	}
}

Resources_config_routing.yml

test_bundle:
    resource: "@BUMTestBundle/Controller/DefaultController.php"
    type: annotation