diff --git a/pkgs/development/libraries/libmad/default.nix b/pkgs/development/libraries/libmad/default.nix
index 6e2e2c949cca..883ad072c7b9 100644
--- a/pkgs/development/libraries/libmad/default.nix
+++ b/pkgs/development/libraries/libmad/default.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, autoconf}:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "libmad-0.15.1b";
   
   src = fetchurl {
-    url = mirror://sourceforge/mad/libmad-0.15.1b.tar.gz;
+    url = "mirror://sourceforge/mad/${name}.tar.gz";
     sha256 = "bbfac3ed6bfbc2823d3775ebb931087371e142bb0e9bb1bee51a76a6e0078690";
   };
 
@@ -16,10 +16,13 @@ stdenv.mkDerivation {
   preConfigure = ''
     autoconf
     substituteInPlace configure --replace "-fforce-mem" ""
+    substituteInPlace configure --replace "arch=\"-march=i486\"" ""
   '';
 
-  meta = {
-    homepage = http://sourceforge.net/projects/mad/;
+  meta = with stdenv.lib; {
+    homepage    = http://sourceforge.net/projects/mad/;
     description = "A high-quality, fixed-point MPEG audio decoder supporting MPEG-1 and MPEG-2";
+    maintainers = with maintainers; [ lovek323 ];
+    platforms   = platforms.unix;
   };
 }