diff --git a/Happstack/Facebook/FacebookT.hs b/Happstack/Facebook/FacebookT.hs
--- a/Happstack/Facebook/FacebookT.hs
+++ b/Happstack/Facebook/FacebookT.hs
@@ -15,7 +15,7 @@
 import qualified Data.Text.Lazy as TL
 import qualified HSX.XMLGenerator as HSX
 import Happstack.Server (ServerMonad(askRq, localRq), ServerPartT, FilterMonad(setFilter,composeFilter,getFilter), WebMonad(finishWith), mapServerPartT)
-import Web.Routes.RouteT (ShowURL(showURL), URL)
+import Web.Routes.RouteT (ShowURL(showURLParams), URL)
 
 newtype FacebookT s m a =
     FacebookT { unFacebookT :: ReaderT s m a }
@@ -74,7 +74,7 @@
 
 instance (ShowURL m) => ShowURL (FacebookT s m) where
     type URL (FacebookT s m) = URL m
-    showURL u = FacebookT $ ReaderT $ const (showURL u)
+    showURLParams u params = FacebookT $ ReaderT $ const (showURLParams u params)
 
 instance (Monad m) => HSX.XMLGen (FacebookT s m) where
     type HSX.XML (FacebookT s m) = XML
diff --git a/happstack-facebook.cabal b/happstack-facebook.cabal
--- a/happstack-facebook.cabal
+++ b/happstack-facebook.cabal
@@ -1,5 +1,5 @@
 Name:             happstack-facebook
-Version:          0.23
+Version:          0.24
 License:          BSD3
 License-file:     debian/copyright
 Author:           jeremy@seereason.com