diff --git a/yesod-auth/Yesod/Auth/Routes.hs b/yesod-auth/Yesod/Auth/Routes.hs
index cb182d58..06dad79a 100644
--- a/yesod-auth/Yesod/Auth/Routes.hs
+++ b/yesod-auth/Yesod/Auth/Routes.hs
@@ -5,6 +5,7 @@
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DeriveDataTypeable #-}
+{-# LANGUAGE ViewPatterns #-}
 module Yesod.Auth.Routes where
 
 import Yesod.Core