TSearch2 Problems

Hi,

I am having some problems with TSearch2 queries since upgrading from 8.0
to 8.2.

This is the query:

    select count(*) from card, to_tsquery('default','test') as q where
(q @@ card.fts);

This works fine on 8.0 but gives the following error in 8.2:

    ERROR: No dictionary with name 'en_stem'
    SQL state: XX000

Any help will be great. Thanks

Howard.