diff --git a/lib/middleman.rb b/lib/middleman.rb
index 4aa03887..b900dd19 100644
--- a/lib/middleman.rb
+++ b/lib/middleman.rb
@@ -71,6 +71,10 @@ class Middleman < Sinatra::Base
   end
   
   configure :build do
+    Compass.configuration do |config|
+      config.output_style = :compressed
+    end
+    
     module Minified
       module Javascript
         include ::Haml::Filters::Base