How do I do shiplap with an uneven wall?

I love the look of a shiplap wall, but what can I do if the wall is uneven? In the middle of the wall its a 1/2" or 1/4" dish.
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Hi Rosin, build up that area with vertical strips of wood, such as screening moulding. That should level out the wall. Good luck.
You can either build up with thin molding or get compound and smooth the wall out. Run string line from corner to corner to see how unlevel the wall is, that way you’ll know if it will be easier to skim coat the wall or add the vertical slats