diff --git a/pkgs/development/libraries/haskell/pretty-show/default.nix b/pkgs/development/libraries/haskell/pretty-show/default.nix
new file mode 100644
index 00000000000..7056fed1df4
--- /dev/null
+++ b/pkgs/development/libraries/haskell/pretty-show/default.nix
@@ -0,0 +1,14 @@
+{cabal, haskellLexer}:
+
+cabal.mkDerivation (self : {
+  pname = "pretty-show";
+  version = "1.1.1";
+  sha256 = "0w6r68l1452vh9aqnlh4066y62h8ylh45gbsl5l558wjgchlna5k";
+  propagatedBuildInputs = [haskellLexer];
+  meta = {
+    description = "Tools for working with derived Show instances";
+    license = "BSD";
+    maintainers = [self.stdenv.lib.maintainers.andres];
+  };
+})  
+
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index d514dc617dd..c6ee56df536 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -515,12 +515,14 @@ rec {
 
   ppm = callPackage ../development/libraries/haskell/ppm {};
 
-  pureMD5 = callPackage ../development/libraries/haskell/pureMD5 {};
+  prettyShow = callPackage ../development/libraries/haskell/pretty-show {};
 
   primitive = callPackage ../development/libraries/haskell/primitive {};
 
   processLeksah = callPackage ../development/libraries/haskell/leksah/process-leksah.nix {};
 
+  pureMD5 = callPackage ../development/libraries/haskell/pureMD5 {};
+
   QuickCheck  = QuickCheck_1;
 
   QuickCheck_1 = callPackage ../development/libraries/haskell/QuickCheck {};