@PostLoad + proxy creates infinite recursion

<?php
/**
 * @Entity
 * @Table(name="user")
 * @HasLifecycleCallbacks
 */
class User
{
	/**
	 * @Id @Column(type="integer")
	 * @GeneratedValue(strategy="AUTO")
	 */
	private $id;

	public function foo()
	{
	}

	/**
	 * @PostLoad
	 */
	public function bar()
	{
	}
}

$user = hyperbeat()->getEntityManager()->getReference('User', 1);
$user->foo();
// Result is:
PHP Fatal error:  Maximum function nesting level of '100' reached, aborting! in ...
stack trace...