diff --git a/bin/jasmine-headless-webkit b/bin/jasmine-headless-webkit
index 5495d33..4a29588 100755
--- a/bin/jasmine-headless-webkit
+++ b/bin/jasmine-headless-webkit
@@ -9,6 +9,7 @@ end
 
 $:.unshift(File.join(gem_dir, 'lib'))
 require 'jasmine-headless-webkit'
+require 'coffee-script'
 
 begin
   options = Jasmine::Headless::Options.from_command_line