diff --git a/app/controllers/admin/eventtypes_controller.rb b/app/controllers/admin/eventtypes_controller.rb
index 53d48797..d29f78cd 100644
--- a/app/controllers/admin/eventtypes_controller.rb
+++ b/app/controllers/admin/eventtypes_controller.rb
@@ -13,6 +13,6 @@ class Admin::EventtypesController < ApplicationController
   rescue Exception => e
     redirect_to(admin_conference_eventtypes_path(
                 conference_id: @conference.short_title),
-                alert: 'Event types update failed: #{e.message}')
+                alert: "Event types update failed: #{e.message}")
   end
 end