diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index cfe784c4e..ef09b5d33 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -18,7 +18,7 @@ class ApplicationController < ActionController::Base
 
   helper_method :get_owner
 
-  unless false#Rails.env.development?
+  unless Rails.env.development?
     rescue_from Exception, with: :render_500
     rescue_from ActiveRecord::RecordNotFound,
                 # ActionController::RoutingError, # see: config/routes.rb:<last line>