diff --git a/Casks/airfoil.rb b/Casks/airfoil.rb
index 9c53e1fea..d3a88ead4 100644
--- a/Casks/airfoil.rb
+++ b/Casks/airfoil.rb
@@ -1,4 +1,4 @@
-class Airfoil < Cask
+cask :v1 => 'airfoil' do
   version :latest
   sha256 :no_check