diff --git a/pkgs/games/zandronum/bin.nix b/pkgs/games/zandronum/bin.nix
index 5d20686c2ae..baf91a66622 100644
--- a/pkgs/games/zandronum/bin.nix
+++ b/pkgs/games/zandronum/bin.nix
@@ -17,6 +17,8 @@
 , zlib
 }:
 
+assert stdenv.system == "x86_64-linux";
+
 stdenv.mkDerivation rec {
   name = "zandronum-2.0";
   src = fetchurl {