diff --git a/Hclip.cabal b/Hclip.cabal
--- a/Hclip.cabal
+++ b/Hclip.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             1.0.0.1
+version:             1.0.0.2
 
 -- A short (one-line) description of the package.
 synopsis:            A small cross-platform library for reading and modifying the system clipboard.
diff --git a/System/Hclip.hs b/System/Hclip.hs
--- a/System/Hclip.hs
+++ b/System/Hclip.hs
@@ -11,8 +11,7 @@
 -- Stability : experimental
 -- Portability: 
 --
--- A small cross-platform library for reading and modifying the 
--- system clipboard. 
+-- A small cross-platform library for reading and modifying the system clipboard. 
 -- 
 --------------------------------------------------------------------
 
@@ -23,7 +22,7 @@
         ClipboardError(..)
   ) where
 
-import System.Process (runInteractiveCommand, readProcessWithExitCode) 
+import System.Process (runInteractiveCommand, readProcessWithExitCode, waitForProcess)
 import System.Info (os)
 import System.IO (Handle, hPutStr, hClose)
 import Data.Monoid 
@@ -151,7 +150,7 @@
 withExternalCommand :: String -> Command -> IO String
 withExternalCommand prog command = 
   bracket (runInteractiveCommand prog)
-          (\(inp, outp, stderr, _) -> mapM_ hClose [inp, outp, stderr])
+          (\(inp, outp, stderr, pid) -> do mapM_ hClose [inp, outp, stderr] >> waitForProcess pid)
           (\(inp, outp, _, _) -> action command (inp, outp))
   where
     action GetClipboard = hGetContents . stdout