diff --git a/pkgs/games/exult/default.nix b/pkgs/games/exult/default.nix
index 28d273ad5cc..2fe76649d55 100644
--- a/pkgs/games/exult/default.nix
+++ b/pkgs/games/exult/default.nix
@@ -45,5 +45,6 @@ stdenv.mkDerivation rec {
     description = "A reimplementation of the Ultima VII game engine";
     maintainers = [ stdenv.lib.maintainers.eelco ];
     platforms = stdenv.lib.platforms.unix;
+    hydraPlatforms = stdenv.lib.platforms.linux; # darwin times out
   };
 }