Default keyboard layout on login screen

[Дмитрий Мурзин]

Hello!
I have two keyboard layout, english and russian.
What I do:
0) Laptop is turned off
1) Turn on laptop
2) I see login screen, keyboard layout is english (it is good)
3) Login
4) Change keyboard layout to russian
5) I lock the screen with Ctrl+Alt+L
6) I see login screen, keyboard layout is russian (it is bad)
How can I get that at (6) I have english keyboard layout?
Thank you a lot.
KDE Plasma 5.9.5

Thanks for KDE!

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Best regards,
Dmitry Murzin