diff --git a/Casks/cacoo-ninja.rb b/Casks/cacoo-ninja.rb
index 56f063d57..ec99e56f3 100644
--- a/Casks/cacoo-ninja.rb
+++ b/Casks/cacoo-ninja.rb
@@ -1,4 +1,4 @@
-class CacooNinja < Cask
+cask :v1 => 'cacoo-ninja' do
   version '1.1.0'
   sha256 'a19eb5a97a854a8d15157f0d51d18ff5f84876f262c921d239a1bb0bb1328d1c'