Multilangual, pagetypes and defealt menu block

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I've created a multilangual website. It uses NL and UK language.
I'v created a pagetype which has a mainmenu as default block.
Since I have to point to the sitemap-item from which the menu must be rendered I can only choose a parentitem from one single language.

This results in the default menu always being NL or UK.

Can concrete figure out which menu to render based on selected language?
or:
Should I create 2 pagetypes. One with default NL menu and one with default UK menu?

Anyone else with same issue?
Hopefully someone has a clear answer.

Thanks.
Peter

Webcreatives