Is there anything I can do if my old boss has been telling them I was fired for stealing?

I had been working at a gas station for 6 months and a month ago my manager stopped calling me in to work and accused me of stealing money. I told him I wasn't and to check the videos which he has at least 17 different cameras. There is no proof and I most certainly and not stupid or desperate enough to ever steal. Thankfully I was able to get a new job at another gas station nearby. My regular customers from my previous job have been coming in and telling me that my old boss has been telling them I was fired for stealing. I am not the first employee he has done that to. I don't appreciate him slandering my name when I am innocent.