diff --git a/Database/MongoDB/Connection.hs b/Database/MongoDB/Connection.hs
--- a/Database/MongoDB/Connection.hs
+++ b/Database/MongoDB/Connection.hs
@@ -1,6 +1,6 @@
 {- | A pool of TCP connections to a single server or a replica set of servers. -}
 
-{-# LANGUAGE OverloadedStrings, ScopedTypeVariables, RecordWildCards, NamedFieldPuns, MultiParamTypeClasses, FlexibleContexts, TypeFamilies, DoRec, RankNTypes, FlexibleInstances #-}
+{-# LANGUAGE CPP, OverloadedStrings, ScopedTypeVariables, RecordWildCards, NamedFieldPuns, MultiParamTypeClasses, FlexibleContexts, TypeFamilies, DoRec, RankNTypes, FlexibleInstances #-}
 
 module Database.MongoDB.Connection (
 	-- * Pipe
@@ -70,7 +70,9 @@
 showHostPort (Host hostname port) = hostname ++ ":" ++ (case port of
 	Service s -> s
 	PortNumber p -> show p
+#if !defined(mingw32_HOST_OS) && !defined(cygwin32_HOST_OS) && !defined(_WIN32)
 	UnixSocket s -> s)
+#endif
 
 readHostPortM :: (Monad m) => String -> m Host
 -- ^ Read string \"hostname:port\" as @Host hosthame port@ or \"hostname\" as @host hostname@ (default port). Fail if string does not match either syntax.
diff --git a/mongoDB.cabal b/mongoDB.cabal
--- a/mongoDB.cabal
+++ b/mongoDB.cabal
@@ -1,5 +1,5 @@
 name: mongoDB
-version: 0.9.2
+version: 0.9.3
 build-type: Simple
 license: OtherLicense
 license-file: LICENSE