problem with bbcode
 

I write a post with BOLD bbcode, and when i visit the home page i see the bolded word in the message preview, but when i click and enter to the thread i see this:

PHP Code:
[B]Amigos:[/B]

Instead of:

Amigos:




You can check it here:

http://www.legiondemarketing.com/for...5-bienvenidos?

Where is the problem?