diff --git a/app/controllers/photos_controller.rb b/app/controllers/photos_controller.rb
index 309fe888a264021cd61f8aad1d6802a78d4f4fde..d8473fa1b15bf18d97b25f25e4c61ff7860f031f 100644
--- a/app/controllers/photos_controller.rb
+++ b/app/controllers/photos_controller.rb
@@ -187,7 +187,7 @@ class PhotosController < ApplicationController
   # helpers
 
   def ownership
-    @ownership ||= current_user.owns? photo
+    @ownership ||= (current_user.present? && current_user.owns?(photo))
   end
 
   def parent