diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index f2666ad02..2e8daa288 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -9,6 +9,7 @@ class PostsController < ApplicationController
   def index
     @post_set = PostSets::Post.new(tag_query, params[:page], params[:limit])
     @posts = @post_set.posts
+    response.headers["X-Total-Pages"] = @posts.total_pages.to_s
     respond_with(@posts) do |format|
       format.atom
     end