Getting weird characters in rss feeds

I’m trying to import rss feeds from a facebook page. The issue is that I’m getting a lot of hexcodes (ó instead of ó, for example) in the titles.

Looking directly to the atom/rss feed, is that looks like that’s how facebook implement it. If I look in the table the weird characters are also included, the same withing the editor window (only in the titles).

What puzzles me, is that I’ve been using this plugin before, and it’s the first time that I ran into this (after migrating to a new installation, with an updated version of feedwordpress).

Any clue on what could be going on?

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