WPMU DEV SEO domain

I installed WPMU DEV on my development website, and set up a Sitemap.

I've now put the website live on another domain. However, WPMU SEO is still showing the Sitemap on the old domain.

What's the best way to get WPMU SEO to recreate the Sitemap on the new live domain, without reinstalling the plugin and setting up again from scratch?

Many thanks