1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/tools/graphics/povray/default.nix b/pkgs/tools/graphics/povray/default.nix
index 79ca54fe0ed59..2ee419a0512f5 100644
--- a/pkgs/tools/graphics/povray/default.nix
+++ b/pkgs/tools/graphics/povray/default.nix
@@ -33,10 +33,10 @@ stdenv.mkDerivation {
       PATH="$TMP/bin:$PATH"
     done
   '';
-  
+
   meta = {
     homepage = http://www.povray.org/;
     description = "Persistence of Vision Raytracer";
-    license = "free";
+    license = stdenv.lib.licenses.free;
   };
 }