diff --git a/Build.PL b/Build.PL
index b8ca083a2..513a26955 100644
--- a/Build.PL
+++ b/Build.PL
@@ -26,6 +26,7 @@ my $build = Module::Build->new(
     recommends     => {
         'Growl::GNTP' => '0.15',
         'Net::DBus'   => '0',
+        'XML::SAX'    => '0',
         'Wx'          => '0.9901',
     },
     script_files    => ['slic3r.pl'],