diff --git a/pkgs/development/libraries/polkit-qt-1/qt-4.nix b/pkgs/development/libraries/polkit-qt-1/qt-4.nix
index 54e10b965926..b13335561ac0 100644
--- a/pkgs/development/libraries/polkit-qt-1/qt-4.nix
+++ b/pkgs/development/libraries/polkit-qt-1/qt-4.nix
@@ -25,9 +25,10 @@ stdenv.mkDerivation {
       done
     '';
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "A Qt wrapper around PolKit";
-    maintainers = with stdenv.lib.maintainers; [ ttuegel ];
-    platforms = with stdenv.lib.platforms; linux;
+    maintainers = [ maintainers.ttuegel ];
+    platforms = platforms.linux;
+    license = licenses.lgpl21;
   };
 }