RSS works yet not detected by IE
 

Hi
I can access my forums RSS feed the following way:

http://www.daashakohol.com/forums//e....php?type=rss2

Yet using IE 7, there is an icon that is supposed to light up if an RSS feed is available and this does not happen on when I view my site but does light up when I view this VB forum.

What could be causing this?