diff --git a/Casks/virtualbox431293733.rb b/Casks/virtualbox431293733.rb
index 4a3f56f25..10df48da8 100644
--- a/Casks/virtualbox431293733.rb
+++ b/Casks/virtualbox431293733.rb
@@ -2,7 +2,7 @@ class Virtualbox431293733 < Cask
   version '4.3.12-93733'
   sha256 'a9d9e3b3217177bc175839747de663ba25886f71e97a9c35ad802f618f11e23e'
 
-  url 'http://download.virtualbox.org/virtualbox/4.3.12/VirtualBox-4.3.12-93733-OSX.dmg'
+  url "http://download.virtualbox.org/virtualbox/4.3.12/VirtualBox-#{version}-OSX.dmg"
   homepage 'http://www.virtualbox.org'
 
   pkg 'VirtualBox.pkg'