diff --git a/app/controllers/layers_controller.rb b/app/controllers/layers_controller.rb
index b69537d..167b0ae 100644
--- a/app/controllers/layers_controller.rb
+++ b/app/controllers/layers_controller.rb
@@ -1,4 +1,6 @@
 class LayersController < ApplicationController
+  before_filter :require_login
+  
   # GET /layers
   # GET /layers.json
   def index