WP-Invite Plugin – little problem

Hi friends,

Maybe someone can help me…
I have installed the plugin wp-invites and is working just fine! Except one littleeee thing.
When someone enter a wrong invitation code, the error message appears in the wrong place.

Please check: http://i28.tinypic.com/2rra3ir.jpg

Any ideas how to solve this? Please? 🙂

Plugin: http://wordpress.org/extend/plugins/wp-invites