diff --git a/pkgs/development/libraries/pth/default.nix b/pkgs/development/libraries/pth/default.nix
index 6118d9c41d6f..90dc647233d8 100644
--- a/pkgs/development/libraries/pth/default.nix
+++ b/pkgs/development/libraries/pth/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   name = "pth-2.0.7";
-  
+
   src = fetchurl {
     url = "mirror://gnu/pth/${name}.tar.gz";
     sha256 = "0ckjqw5kz5m30srqi87idj7xhpw6bpki43mj07bazjm2qmh3cdbj";
@@ -12,9 +12,10 @@ stdenv.mkDerivation rec {
     configureFlagsArray=("CFLAGS=-DJB_SP=8 -DJB_PC=9")
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "The GNU Portable Threads library";
     homepage = http://www.gnu.org/software/pth;
-    platforms = stdenv.lib.platforms.all;
+    license = licenses.lgpl21Plus;
+    platforms = platforms.all;
   };
 }