Unsubscribe link in e-mail is missing hash

[quote="Style update e-mail":nfcuweo0][...]
You receive this email because you are subscribed to this Style.
To unsubscribe, use this link:

http://www.phpbb.com/styles/db/index.php?i=misc&contrib_id=9835&mode=display&unsubscribe=1

It doens't include the &hash=xxx yet so you are not being unsubscribed.