X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/2b7a40069f7af2e72c81f9488411135f286515f9..721dd9c27d299455b9159457a095716f797389f1:/app/controllers/old_relation_controller.rb

diff --git a/app/controllers/old_relation_controller.rb b/app/controllers/old_relation_controller.rb
index 9307ee1ce..84d0b0c90 100644
--- a/app/controllers/old_relation_controller.rb
+++ b/app/controllers/old_relation_controller.rb
@@ -25,6 +25,8 @@ class OldRelationController < ApplicationController
   def version
     begin
       old_relation = OldRelation.find(:first, :conditions => {:id => params[:id], :version => params[:version]} )
+      
+      response.headers['Last-Modified'] = old_relation.timestamp.rfc822
 
       doc = OSM::API.new.get_xml_doc
       doc.root << old_relation.to_xml_node