diff --git a/Casks/tresorit.rb b/Casks/tresorit.rb
index e033cc96b..7dd77dc67 100644
--- a/Casks/tresorit.rb
+++ b/Casks/tresorit.rb
@@ -1,4 +1,4 @@
-class Tresorit < Cask
+cask :v1 => 'tresorit' do
   version :latest
   sha256 :no_check