diff --git a/src/UrlPath.hs b/src/UrlPath.hs
--- a/src/UrlPath.hs
+++ b/src/UrlPath.hs
@@ -55,6 +55,9 @@
 instance Url T.Text Identity where
   renderUrl = Identity
 
+instance Url UrlString Identity where
+  renderUrl = Identity . expandRelative
+
 instance Url UrlString RelativeUrl where
   renderUrl x = RelativeUrl $ \_ -> expandRelative x
 
diff --git a/urlpath.cabal b/urlpath.cabal
--- a/urlpath.cabal
+++ b/urlpath.cabal
@@ -1,5 +1,5 @@
 Name:                   urlpath
-Version:                0.0.4
+Version:                0.0.5
 Author:                 Athan Clark <athan.clark@gmail.com>
 Maintainer:             Athan Clark <athan.clark@gmail.com>
 License:                MIT