diff --git a/cpi_feed.rb b/cpi_feed.rb
index 9878037..a389d90 100644
--- a/cpi_feed.rb
+++ b/cpi_feed.rb
@@ -12,7 +12,7 @@ class CPIFeed < Sinatra::Base
 
     expires 300, :public, :must_revalidate
     content_type :csv
-    "cpi\n#{resp['Results']['series'].first['data'].first['value']}\n"
+    "#{resp['Results']['series'].first['data'].first['value']}\n"
   end
 
   def cpi_series_url