diff --git a/lib/onebox/engine/open_graph.rb b/lib/onebox/engine/open_graph.rb
index <HASH>..<HASH> 100644
--- a/lib/onebox/engine/open_graph.rb
+++ b/lib/onebox/engine/open_graph.rb
@@ -1,6 +1,8 @@
 module Onebox
   module Engine
     module OpenGraph
+      private
+
       def raw
         @raw ||= ::OpenGraph.new(@url)
       end
make raw method in opengraph module private b/c engine specifies private raw method #<I>