--- hS3-0.5.6-orig/Network/AWS/AWSConnection.hs	2011-04-21 13:29:41.000000000 +1000
+++ hS3-0.5.6/Network/AWS/AWSConnection.hs	2012-11-18 22:21:27.136988604 +1100
@@ -1,3 +1,4 @@
+{-# LANGUAGE ScopedTypeVariables #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Network.AWS.AWSConnection
@@ -15,6 +16,8 @@
    AWSConnection(..)
    ) where
 
+import Prelude hiding (catch)
+import Control.Exception
 import System.Environment
 
 -- | An Amazon Web Services connection.  Everything needed to connect
@@ -55,5 +58,5 @@
                   ( _, "", "") -> Nothing
                   ( _, "",  _) -> Just (amazonS3Connection ak sk1)
                   ( _,  _,  _) -> Just (amazonS3Connection ak sk0)
-    where getEnvKey s = catch (getEnv s) (const $ return "")
+    where getEnvKey s = catch (getEnv s) (\(_::IOException) -> return "")