diff --git a/happstack-server.cabal b/happstack-server.cabal
--- a/happstack-server.cabal
+++ b/happstack-server.cabal
@@ -1,5 +1,5 @@
 Name:                happstack-server
-Version:             6.4.2
+Version:             6.4.3
 Synopsis:            Web related tools and services.
 Description:         Happstack Server provides an HTTP server and a rich set of functions for routing requests, handling query parameters, generating responses, working with cookies, serving files, and more. For in-depth documentation see the Happstack Crash Course <http://happstack.com/docs/crashcourse/index.html>
 License:             BSD3
diff --git a/src/Happstack/Server/Internal/Types.hs b/src/Happstack/Server/Internal/Types.hs
--- a/src/Happstack/Server/Internal/Types.hs
+++ b/src/Happstack/Server/Internal/Types.hs
@@ -15,7 +15,7 @@
      RsFlags(..), nullRsFlags, contentLength, chunked, noContentLength,
      HttpVersion(..), Length(..), Method(..), Headers, continueHTTP,
      Host, ContentType(..),
-     readDec', readM, FromReqURI(..)
+     readDec', fromReadS, readM, FromReqURI(..)
     ) where
 
 
diff --git a/src/Happstack/Server/Types.hs b/src/Happstack/Server/Types.hs
--- a/src/Happstack/Server/Types.hs
+++ b/src/Happstack/Server/Types.hs
@@ -13,7 +13,7 @@
      RsFlags(..), nullRsFlags, contentLength, chunked, noContentLength,
      HttpVersion(..), Length(..), Method(..), Headers, continueHTTP,
      Host, ContentType(..),
-     readDec', FromReqURI(..)
+     readDec', fromReadS, FromReqURI(..)
     ) where
 
 import Happstack.Server.Internal.Types