No family for Christmas

Every year I spend Christmas eve at my mom's house with my siblings, their s.o's and kids but I really want to start celebrating the holidays with my husband and children only and if people want to visit us they can do so. Here's why. My brother has 4 kids and he and his wife don't discipline and let them do pretty much whatever they want. It gets chaotic very quickly. This in turn makes my already very impatient mother very overstimulated and she's in a bad mood and the evening has just begun. No one can speak to each other because kids are screaming, one is opening the door and running outside, one is smashing cupcakes on floor. It's not fun. My kids already know that when they're at someone else's home they behave. By the time we're all done eating we're ready to go home because it's overwhelming. My grandmother is the same as my mother, very over stimulated very quickly and very picky about all the foods and desserts being served she and my mother just end up bickering about her being picky and not eating. I'm really not looking forward to Christmas eve. It used to be fun and now it's just something I want to avoid. We had Thanksgiving together and it was madness. My brother didn't even stay long at all because of the way his kids were behaving and my mother was sulking the whole evening. The vibes are just so negative. I want to tell my mother that I don't want to spend Christmas eve at her house this year but I don't know how.