diff --git a/Casks/virtualbox431293733.rb b/Casks/virtualbox431293733.rb
index 36bd2771c..4a3f56f25 100644
--- a/Casks/virtualbox431293733.rb
+++ b/Casks/virtualbox431293733.rb
@@ -5,6 +5,6 @@ class Virtualbox431293733 < Cask
   url 'http://download.virtualbox.org/virtualbox/4.3.12/VirtualBox-4.3.12-93733-OSX.dmg'
   homepage 'http://www.virtualbox.org'
 
-  install 'VirtualBox.pkg'
+  pkg 'VirtualBox.pkg'
   uninstall :script => { :executable => 'VirtualBox_Uninstall.tool', :args => %w[--unattended] }
 end