Changed baby from 2-1 nap, but he’s super cranky...what should I do?

I changed my son from 2 naps to 1 about 2-3 weeks ago. He’s 12 months. I’ve noticed he sleeps longer at night; but is cranky during the day. His nap usually ranges from 1-2.5 hours. It’s usually around 1.5.

He’s cranky, but I’m able to distract him for a little. But it’s driving me nuts lol. Should I just continue with one nap? Or should I go back to two and see how he does?