http://bugs.winehq.org/show_bug.cgi?id=18439
--- Comment #6 from H. Verbeet hverbeet@gmail.com 2009-05-12 09:37:29 --- (In reply to comment #5)
Gnome and KDE are more widely used/tested, so it's worth to test with (one of) them as well.
This does happen with at least KDE 3.5.9 as well.