diff --git a/app/controllers/main_controller.rb b/app/controllers/main_controller.rb
index c5b8837b..a35ab38d 100644
--- a/app/controllers/main_controller.rb
+++ b/app/controllers/main_controller.rb
@@ -37,6 +37,7 @@ class MainController < ApplicationController
 
   def recent_content
     # todo optimize this / use Attributes
+    return [] if @activated_content_types.nil?
 
     @recent_edits = @activated_content_types.flat_map { |klass|
       klass.constantize