German "umlauts" in passphrase

[Karl Kashofer]

Hi all !

This should be a simple question, but I have failed to find an answer to it.

Is it possible to use german umlauts in the gnupg passphrase?

The reason I ask is that I imported a keypair from my windows keyring when I 
switched my laptop to linux, and now I cant use it as it has umlauts in the 
passphrase. I cant even change the passphrase as I can not enter it....

Do I really have to export my key to windows and remove the umlaut, or is 
there another solution ?

Cheers,
Karl
Ubuntu 6.06, gnupg 1.4.2.2