diff --git a/sample-frame-np.cabal b/sample-frame-np.cabal
--- a/sample-frame-np.cabal
+++ b/sample-frame-np.cabal
@@ -1,5 +1,5 @@
 Name:             sample-frame-np
-Version:          0.0.4
+Version:          0.0.4.1
 License:          BSD3
 License-File:     LICENSE
 Author:           Henning Thielemann <haskell@henning-thielemann.de>
@@ -19,7 +19,7 @@
 Build-Type:        Simple
 
 Source-Repository this
-  Tag:         0.0.4
+  Tag:         0.0.4.1
   Type:        darcs
   Location:    http://code.haskell.org/~thielema/sample-frame/numericprelude/
 
diff --git a/src/Sound/Frame/NumericPrelude/Stereo.hs b/src/Sound/Frame/NumericPrelude/Stereo.hs
--- a/src/Sound/Frame/NumericPrelude/Stereo.hs
+++ b/src/Sound/Frame/NumericPrelude/Stereo.hs
@@ -3,7 +3,7 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 module Sound.Frame.NumericPrelude.Stereo (
    T, left, right, cons, map,
-   Stereo.Channel(Left, Right), Stereo.select,
+   Stereo.Channel(Stereo.Left, Stereo.Right), Stereo.select,
    Stereo.interleave,
    Stereo.sequence,
    Stereo.liftApplicative,