diff --git a/pkgs/games/vassal/default.nix b/pkgs/games/vassal/default.nix
index 2a916094af4..cc9e9bd9856 100644
--- a/pkgs/games/vassal/default.nix
+++ b/pkgs/games/vassal/default.nix
@@ -31,6 +31,6 @@ stdenv.mkDerivation rec {
       homepage = "http://www.vassalengine.org/";
       license = licenses.lgpl21Only;
       maintainers = with maintainers; [ tvestelind ];
-      platforms = platforms.linux;
+      platforms = platforms.unix;
   };
 }