[ZF2] 404 page instead of status code 404 shows 200?

Question

Zend Framework

Forced $response->setStatusCode(404); Does not help. In the developer panel and Yandex bot shows 200. Advise

Answer 1

Try calling return $this->notFoundAction();

Answer 2

and what kind of response do you return?
need something like this:

...
return $response->setStatusCode(404);
...