Problem with multiple languages (Qtranslate-X)

Hello!

Great plugin! It works well with native language:
http://linnamuuseum.tartu.ee.klient.veebimajutus.ee/

Problem is with secondary language (english).
When navigating to sub-page, for example http://linnamuuseum.tartu.ee.klient.veebimajutus.ee/en/19-saj-linnakodaniku-muuseum/ , the main menu changes first time as it should. (Gallery redirects to /19-saj-linnamuuseum/galerii). Now, when being here and clicking Gallery again, it redirects to /linnamuuseum/galerii, which is Main Menu link.

I am expecting to see the behaviour as in Estonian version of the site:
http://linnamuuseum.tartu.ee.klient.veebimajutus.ee/19-saj-linnakodaniku-muuseum/galerii/ when being here and clicking on “galerii”, it should constantly redirect to /19-saj-linnakodaniku-muuseum/galerii