Could not find "gitignore" in any of your source paths creating an app using "rails new sample_app"

Guys, I am running into this error when running "rails new sample_app". This used to work before and not sure what changed in my environment. Any help is appreciated.

ruby@ramak-ubtu:~/temp$ rails new sample_app       create       create README       create Rakefile       create config.ru Could not find "gitignore" in any of your source paths. Your current source paths are: /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/ generators/rails/app/templates ruby@ramak-ubtu:~/temp$

--RamaK