diff --git a/lib/html5-boilerplate.rb b/lib/html5-boilerplate.rb
index 11afe85..17cbd6b 100644
--- a/lib/html5-boilerplate.rb
+++ b/lib/html5-boilerplate.rb
@@ -1,5 +1,5 @@
 require 'compass-h5bp'
-Compass::Frameworks.register("html5-boilerplate", :path => "#{File.dirname(__FILE__)}/..")
+Compass::Frameworks.register("html5-boilerplate", :path => "#{File.dirname(__FILE__)}/..") if defined?(Compass)
 
 if defined?(ActionController)
   require File.join(File.dirname(__FILE__), 'app', 'helpers', 'html5_boilerplate_helper')