diff --git a/Casks/omnioutliner3.rb b/Casks/omnioutliner3.rb
index d14aaf5ec..85b4a9e8a 100644
--- a/Casks/omnioutliner3.rb
+++ b/Casks/omnioutliner3.rb
@@ -2,7 +2,7 @@ cask :v1 => 'omnioutliner3' do
   version :latest
   sha256 :no_check
 
-  url 'http://omnigroup.com/download/latest/omnioutliner-3
+  url 'http://omnigroup.com/download/latest/omnioutliner-3'
   name 'OmniOutliner'
   homepage 'http://www.omnigroup.com/omnioutliner/'
   license :commercial