[Question] ACF admin language

[Panzermaus]

Hello! As far as I understand, the language of ACF admin inerface (including menu item) equals to site's front-end language (Settings > General > Site Language). And it doesn't react to neither upper-right qTranslate-X-switch, nor profile language. Is this unexpected (to me) behavior a feature (of ACF, qTranslate-X, ACF: qTranslate) or a bug in my site?

WordPress 4.9.2
ACF non-pro 4.4.12
qTranslate-X 3.4.6.8
ACF qTranslate 1.7.23