Problem with PBKDF2-HMAC-SHA1

Hi,

I am experimenting with some PBKDF2-HMAC-SHA1 hashes, but I can't seem to get oclHashcat to work.

I am trying the example hash:
sha1:1000:MzU4NTA4MzIzNzA1MDQ=:19ofiY+ahBXhvkDsp0j2ww==

with a dictionary just containing "hashcat" but it can't crack it.

Can anyone reproduce a successful match with this hash mode?