How to get body class from head_title.title just for one language

So, I wanted to set body classes in classy html.html.twig specific for every page. I’ve got from head_title.title classes.
But when I change language body class changes to another head title value for a 2nd language. My question is how I can have body class from head_title.title value to be set for every language to be the same and not translated ?

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