1 files changed, 4 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb
index a58e904c11..c5e18048da 100644
--- a/actionpack/lib/action_dispatch/http/response.rb
+++ b/actionpack/lib/action_dispatch/http/response.rb
@@ -380,6 +380,10 @@ module ActionDispatch # :nodoc:
       def to_path
         @response.stream.to_path
       end
+
+      def to_ary
+        nil
+      end
     end
 
     def rack_response(status, header)