diff --git a/pkgs/tools/typesetting/xmlto/default.nix b/pkgs/tools/typesetting/xmlto/default.nix
index c72192317b77e..1319e256edfe8 100644
--- a/pkgs/tools/typesetting/xmlto/default.nix
+++ b/pkgs/tools/typesetting/xmlto/default.nix
@@ -45,6 +45,6 @@ stdenv.mkDerivation rec {
     homepage = https://fedorahosted.org/xmlto/;
 
     maintainers = [ ];
-    platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
+    platforms = stdenv.lib.platforms.unix ;
   };
 }