diff --git a/main.rb b/main.rb
index 819c69f..8adebb8 100755
--- a/main.rb
+++ b/main.rb
@@ -13,5 +13,6 @@ get "/deck_xml" do
   api_url = "https://api2.moxfield.com/v3/decks/all/" + deck_id
   content = HTTP.headers({"User-Agent" => USER_AGENT, 'Accept' => 'application/json'}).get(api_url)
   puts content
-  JSON.parse(content).to_xml(:root => :deck)
+  xml_data = JSON.parse(content).to_xml(:root => :deck)
+  [200, {"Content-Type" => "application/xml"}, xml_data]
 end