diff --git a/app/controllers/layers_controller.rb b/app/controllers/layers_controller.rb
index e95fe31..fbc631e 100644
--- a/app/controllers/layers_controller.rb
+++ b/app/controllers/layers_controller.rb
@@ -19,6 +19,9 @@ class LayersController < ApplicationController
     @feed = Feed.new
     @feed.new_layer_id = @layer.id
 
+    @layer_posts = 0
+    @layer.feeds.each { |f| @layer_posts += f.posts.size }
+
     respond_to do |format|
       format.html # show.html.erb
       format.json { render json: @layer }
diff --git a/app/views/layers/show.html.haml b/app/views/layers/show.html.haml
index d1ef20f..562e29b 100644
--- a/app/views/layers/show.html.haml
+++ b/app/views/layers/show.html.haml
@@ -42,7 +42,7 @@
 
   %tr
     %td
-    %td.right [number of posts in this layer]
+    %td.right= @layer_posts
     %td
     %td
     %td