Rails 3.1 (master) stacktrace

[masterkain]

Hello,

Gemfile

gem "coffee-script"
gem "coffee-filter", :git => "git://github.com/paulnicholson/coffee-filter.git"
gem "haml", :git => "git://github.com/nex3/haml.git"

Trace

/Users/kain/.rvm/gems/ruby-1.9.2-p180/bundler/gems/coffee-filter-1f0ad0e93c06/lib/coffee-filter/coffeescript.rb:4:in `<module:Coffeescript>': uninitialized constant Coffee::Filter::Coffeescript::Haml (NameError)
    from /Users/kain/.rvm/gems/ruby-1.9.2-p180/bundler/gems/coffee-filter-1f0ad0e93c06/lib/coffee-filter/coffeescript.rb:3:in `<module:Filter>'
    from /Users/kain/.rvm/gems/ruby-1.9.2-p180/bundler/gems/coffee-filter-1f0ad0e93c06/lib/coffee-filter/coffeescript.rb:2:in `<module:Coffee>'
    from /Users/kain/.rvm/gems/ruby-1.9.2-p180/bundler/gems/coffee-filter-1f0ad0e93c06/lib/coffee-filter/coffeescript.rb:1:in `<top (required)>'
    from /Users/kain/.rvm/gems/ruby-1.9.2-p180/bundler/gems/coffee-filter-1f0ad0e93c06/lib/coffee-filter.rb:1:in `<top (required)>'