diff --git a/pkgs/development/libraries/twolame/default.nix b/pkgs/development/libraries/twolame/default.nix
index 54ba8470fc5b..a65254fea24e 100644
--- a/pkgs/development/libraries/twolame/default.nix
+++ b/pkgs/development/libraries/twolame/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = http://www.twolame.org/;
     license = with licenses; [ lgpl2Plus ];
-    platforms = with platforms; [ unix ];
+    platforms = with platforms; unix;
     maintainers = with maintainers; [ AndersonTorres ];
   };
 }