diff --git a/lib/volumen/server.rb b/lib/volumen/server.rb
index 04a3fd9..2f0b91a 100644
--- a/lib/volumen/server.rb
+++ b/lib/volumen/server.rb
@@ -127,6 +127,7 @@ module Volumen
             <title>#{escape(site["title"])}</title>
             <link>#{escape(base_url)}</link>
             <description>#{escape(site["description"])}</description>
+            <language>#{escape(site["language"])}</language>
         #{items}
           </channel>
         </rss>