diff --git a/lib/jasmine/headless/files_list.rb b/lib/jasmine/headless/files_list.rb
index d12725e..d4d1cff 100644
--- a/lib/jasmine/headless/files_list.rb
+++ b/lib/jasmine/headless/files_list.rb
@@ -40,7 +40,7 @@ module Jasmine::Headless
         @asset_paths = nil
 
         # register haml-sprockets if it's available...
-        %w{haml-sprockets}.each do |library|
+        %w{haml-sprockets handlebars_assets}.each do |library|
           begin
             require library
           rescue LoadError