PhraseQuery Error

[anonymous]

$ gem list --local|grep ferret
ferret (0.10.11)
$ ruby -r rubygems -e 'require "ferret";puts Ferret::Search::PhraseQuery.new(:field, "hello")'
-e:1:in `to_s': NULL pointer given (ArgumentError)
        from -e:1:in `puts'
        from -e:1

[dbalmain]

This was fixed a long time ago. Not sure what happened to the rest of the comments. Just removing spam url.