my husband constantly makes plans with his parents without telling me. it drives me insane. I know…

my husband constantly makes plans with his parents without telling me. it drives me insane. I know they r his parents. but I feel like he should talk it over with Me first bc I'm getting sick of it. any ideas to get it through his head?? Bc itll be Friday and his mom will be like o well be there in 2 hrs for dinner. I'm like what???? yes jerrad told us it was okay. drives me insane.