diff --git a/pkgs/games/keen4/default.nix b/pkgs/games/keen4/default.nix
index 562df3ac1b6..64522e568db 100644
--- a/pkgs/games/keen4/default.nix
+++ b/pkgs/games/keen4/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, dosbox, unzip}:
+{ lib, stdenv, fetchurl, dosbox, unzip }:
 
 stdenv.mkDerivation {
   name = "keen4";
@@ -15,5 +15,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Commander Keen Episode 4: Secret of the Oracle";
+    license = lib.licenses.unfree;
+    maintainers = [ lib.maintainers.eelco ];
   };
 }