diff --git a/Casks/camtwist-beta.rb b/Casks/camtwist-beta.rb
index 8b814fc07..4f04b846b 100644
--- a/Casks/camtwist-beta.rb
+++ b/Casks/camtwist-beta.rb
@@ -1,4 +1,4 @@
-class CamtwistBeta < Cask
+cask :v1 => 'camtwist-beta' do
   version '3.0beta'
   sha256 'bef72de07368de34c58a3bca31efeac388f129c02661a3d62a745be17e729679'