That's how they tend to behave naturally for me when I've used wingers. However, things I don't do: play wider and set their individual instructions to those that tell them to stay wider or hug touchline (assuming they're available and not on by default, I haven't used wingers since the last step on new tactic system understanding and before I didn't look at the options that thoroughly).
Things to consider, then, is if there are individual instructions ticked in order to make them to be wider, untick them, not play wider.
Another option to try would be to tick the roam from position instruction.