[Plugin: FeedWordPress] Cannot change feed URL

Hi,

I am trying to change the URL of one my feeds but after taking a long time to load, I’m shown a page cannot be displayed 404 error.

Is there an another way to change the URL without deleting and recreating the feed?

Thanks.

http://wordpress.org/extend/plugins/feedwordpress/