diff --git a/cabal2nix.cabal b/cabal2nix.cabal
--- a/cabal2nix.cabal
+++ b/cabal2nix.cabal
@@ -1,5 +1,5 @@
 Name:                   cabal2nix
-Version:                1.5
+Version:                1.6
 Copyright:              (c) 2011 Peter Simons
 License:                BSD3
 License-File:           LICENSE
@@ -20,8 +20,8 @@
 			file. That path can be an HTTP URL or local file
 			path. For example:
 			.
-			> cabal2nix http://hackage.haskell.org/packages/archive/cabal2nix/1.5/cabal2nix.cabal
-			> cabal2nix file:///tmp/cabal2nix.cabal 0m7zgsd1pxmw504xpvl7dg25ana6dkk1mcyjj4c1wdbkvhvbn3gn
+			> cabal2nix http://hackage.haskell.org/packages/archive/cabal2nix/1.6/cabal2nix.cabal
+			> cabal2nix file:///tmp/cabal2nix.cabal
 			> cabal2nix /tmp/cabal2nix.cabal 0m7zgsd1pxmw504xpvl7dg25ana6dkk1mcyjj4c1wdbkvhvbn3gn
 			.
 			The second argument -- the hash of the source
diff --git a/cabal2nix.hs b/cabal2nix.hs
--- a/cabal2nix.hs
+++ b/cabal2nix.hs
@@ -34,7 +34,8 @@
 
 toNixName :: String -> String
 toNixName [] = error "toNixName: empty string is not a valid argument"
-toNixName name = f ((toLower (head name)) : tail name)
+toNixName "Cabal" = "cabal"
+toNixName name = f name
   where
     f []                            = []
     f ('-':c:cs) | c `notElem` "-"  = toUpper c : f cs