diff --git a/lib/data_uri/uri.rb b/lib/data_uri/uri.rb
index 47cfa9e..cc0658e 100644
--- a/lib/data_uri/uri.rb
+++ b/lib/data_uri/uri.rb
@@ -61,6 +61,6 @@ def self.build(arg)
     end
   end
 
-  @@schemes['DATA'] = Data
+  scheme_list['DATA'] = Data
 
 end