diff --git a/README.rdoc b/README.rdoc
index a959d44..3c90e97 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -56,7 +56,7 @@ Cmtool is looking for an authorize_cmtool method present in the application cont
     private
 
     def authorize_cmtool
-      redirect_to root_path, alert: t('general.unauthorized'), status: 403 unless current_user.present? && current_user.admin?
+      redirect_to main_app.root_path, alert: t('general.unauthorized') unless current_user.present? && current_user.is_admin?
     end
   end