Infinite SEO - putting non-existant page into SiteMap due to sud-directory install

I have installed Wordpress in a sub-directory:
I have then followed the steps to get my Wordpress install to show in the root directory. This works fine.

However the site map generated by Infinite SEO has the highest priority page listed as - which doesn't exist! It gives a 404 error. Because my site is displaying at

It has the other correct URLs for my site. But it has my homepage as "weekly" to check, and this non-existant page as "daily".

How can I fix this please?