1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/games/hexen/default.nix b/pkgs/games/hexen/default.nix
index c97ba4d5bf4..9e8d3ce0b8e 100644
--- a/pkgs/games/hexen/default.nix
+++ b/pkgs/games/hexen/default.nix
@@ -12,6 +12,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.libsdl.org/projects/hexen/;
     description = "Port of Raven Software's popular Hexen 3-D shooter game";
-    license = "free";
+    license = stdenv.lib.licenses.free;
   };
 }