In this sneak peek from Sunday's episode, Kris Jenner tries to mediate between the former couple when Kourtney suddenly stops letting Scott enjoy an "open door policy" at their house, which was in place so that he could visit with their three kids - Mason, Penelope and Reign.
When Kris calls to ask why that policy is no longer in place, Kourtney explains that, yes, that changed because "he was flaking too often." She then reveals that every time she tried to have him sit and have dinner with the kids, he would sit in the other room on his phone. And that's just the beginning...
**This episode airs Sunday at 9 pm ET/PT on E!**
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Gallery | Kourtney Kardashian and Scott Disick: A Look at Their Love