diff --git a/pkgs/development/libraries/libxslt/default.nix b/pkgs/development/libraries/libxslt/default.nix
index df054319479..ebad3fd3eb1 100644
--- a/pkgs/development/libraries/libxslt/default.nix
+++ b/pkgs/development/libraries/libxslt/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, fetchpatch, libxml2, findXMLCatalogs
-, pythonSupport ? true, python2
+, python2, pythonSupport ? (! stdenv ? cross)
 }:
 
 assert pythonSupport -> python2 != null;