Chat gpt ignores language prompt in Yandex browser

But it works properly in Firefox.
I use country specific browser - Yandex browser and chat got an answer in the country specific language.
Prompt:
Always reply in the same language as the user. If the user switches languages during the conversation, automatically switch to the new language.
Request:
Laptop
Answer:

Вы хотите купить лаптоп.<...>`

There no russian language symbols neither in history nor in prompt. How could open ai knows the language?

Please, help. What I am doing wrong?
example:
καλό φορητό υπολογιστή

Change the language in your settings. Settings—General—Language (switch from “Auto-detect” to your preferred language).