diff --git a/pkgs/tools/misc/relfs/cvs.2008.03.05.nix b/pkgs/tools/misc/relfs/cvs.2008.03.05.nix
index 43a8804a733..b5abe2eb6e0 100644
--- a/pkgs/tools/misc/relfs/cvs.2008.03.05.nix
+++ b/pkgs/tools/misc/relfs/cvs.2008.03.05.nix
@@ -47,5 +47,6 @@ stdenv.mkDerivation rec {
 		description = "A relational filesystem on top of FUSE";
 		inherit src;
     		maintainers = [args.lib.maintainers.raskin];
+		platforms = args.lib.platforms.linux;
 	};
 }