direct call a members tab is not working properly

[ageurtse]

I have a custom members profile page, which works great.

i wish to call this page direct from a link,like

sitename/forums/member.php?8646-Arnold-Geurtse&tab=mymodification

The tab is selected but the content isn't displayd what could be wrong and what could i do about it.
when i next click on the tab the content is displayed

[RS_Jelle]

That's a known vB bug. Should be fixed in 4.0.1: http://www.vbulletin.com/forum/project.php?issueid=33873