ssh-keygen -l does not work with dsa keys

Hi SuSErs, Did anyone run into this problem? I'm using openssh 2.3.0p1 and command ssh-keygen -l -f .ssh/id_dsa.pub produces: .ssh/id_dsa.pub is not a valid key file while the key is pretty usable. rsa keys are processed without problems. Thanks, -Kastus