diff --git a/pkgs/games/angband/default.nix b/pkgs/games/angband/default.nix
index 0b24988c54f2..24348460d3b5 100644
--- a/pkgs/games/angband/default.nix
+++ b/pkgs/games/angband/default.nix
@@ -2,18 +2,17 @@
 , enableSdl2 ? false, SDL2, SDL2_image, SDL2_sound, SDL2_mixer, SDL2_ttf
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "angband";
   version = "4.2.5";
 
   src = fetchFromGitHub {
     owner = "angband";
     repo = "angband";
-    rev = version;
-    sha256 = "sha256-XH2FUTJJaH5TqV2UD1CKKAXE4CRAb6zfg1UQ79a15k0=";
+    rev = finalAttrs.version;
+    hash = "sha256-XH2FUTJJaH5TqV2UD1CKKAXE4CRAb6zfg1UQ79a15k0=";
   };
 
-
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = [ ncurses5 ]
   ++ lib.optionals enableSdl2 [
@@ -33,5 +32,6 @@ stdenv.mkDerivation rec {
     description = "A single-player roguelike dungeon exploration game";
     maintainers = [ maintainers.kenran ];
     license = licenses.gpl2;
+    platforms = platforms.unix;
   };
-}
+})