diff --git a/lib/sidekiq/middleware/server/exception_handler.rb b/lib/sidekiq/middleware/server/exception_handler.rb
index 6a38bccb..33be0d87 100644
--- a/lib/sidekiq/middleware/server/exception_handler.rb
+++ b/lib/sidekiq/middleware/server/exception_handler.rb
@@ -30,7 +30,7 @@ module Sidekiq
         end
 
         def send_to_exception_notifier(msg, ex)
-          ::ExceptionNotifier::Notifier.background_exception_notification(e, :data => { :message => msg })
+          ::ExceptionNotifier::Notifier.background_exception_notification(ex, :data => { :message => msg })
         end
       end
     end