Kourtney Kardashian and Scott Disick set "boundaries" in a promo for Sunday's episode of "Keeping Up with the Kardashians."

The former couple establish rules for Disick's visits to Kardashian's house in a preview for the E! show's Season 14 finale.

"I just feel like we should discuss some of the boundaries in the house," the 38-year-old Kardashian tells the 34-year-old Disick in the video.

"I feel like sometimes, because this was your house, sometimes I feel like you walk in like it still is."

"I feel like it has to make sense for my relationship, too," she adds. "Like, if you just wander into my bedroom and go, 'Hey, can I see all your sunglasses?'"

Disick says he understands Kardashian's concerns about him coming into her bedroom, but the mom-of-three isn't entirely convinced.

"But then the day after I said it, you went right in. You said, 'Hey, can I come in?' The kids were there, wasn't going to be like, 'No,'" she recounts.

"There's obviously some boundaries that we both need to respect. I don't want you to be uncomfortable," Disick answers before joking, "The next time I'll go up there naked."

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Kardashian and Disick, who share 8-year-old son Mason, 5-year-old daughter Penelope and 3-year-old son Reign, split in 2015 after nine years of dating.

The pair have since started dating Younes Bendjima and Sofia Richie, respectively.

"Love u," Richie told Disick on Valentine's Day in February while thanking him for a bouquet of red roses.