Baby waking herself up by rolling over?

Wanted to put this out there to see if anyone had any advice or tips. My LO is almost 3 months old and she's been starting to roll over from her tummy to get back. I've been putting her to sleep on her tummy since she was about 7 weeks old and in the past week she's mastered rolling over to her back and does it at night. Then she'll just be awake. Short of constantly putting her back on her tummy is there anything else I can do? Thank you!