Potty training when dad's home...

So my big kid does great potty training! We go to town, stay home, or just go to the park and no accidents! We dont have any problems throughout the day! As soon as daddy gets home she has accidents... all weekend she had accidents. I had to go to the doctor yesterday so my hubby stayed home with the girls. I come home and our big kid is in a diaper. He didnt even try to take her to the potty all day! I'm sick so I didnt feel like fighting him... i told him he had to do better and he said he knew and that he just wasn't as patient as me and forgets to take her...