diff --git a/Casks/vagrant143.rb b/Casks/vagrant143.rb
index 6d15f7c48..e085bdfe6 100644
--- a/Casks/vagrant143.rb
+++ b/Casks/vagrant143.rb
@@ -8,5 +8,5 @@ cask :v1 => 'vagrant143' do
   license :mit
 
   pkg 'Vagrant.pkg'
-  uninstall :script => 'uninstall.tool', :input => %w[Yes]
+  uninstall :script => { :executable => 'uninstall.tool', :input => %w[Yes] }
 end