ß is always convertet to ss in the main menu

If I write the word "weißwein" (whitewine) the ß is always automatic convertet to ss in the main menu. (You can see it on my screenshot)

How can i write word with "ß" in the main menu?


(ß -> ß does not help!)

Thanks!

try HTML code:

chemistry.about.com/od/chartstables/a/htmlgreek.htm