diff --git a/xCAT-server-2.0/sbin/xcatd b/xCAT-server-2.0/sbin/xcatd
index 24826e5de..9630aba15 100755
--- a/xCAT-server-2.0/sbin/xcatd
+++ b/xCAT-server-2.0/sbin/xcatd
@@ -31,7 +31,9 @@ use IO::Socket;
 use IO::Handle;
 use IO::Select;
 use XML::Simple;
-$XML::Simple::PREFERRED_PARSER='XML::Parser';
+if ($^O =~ /^linux/i) {
+	$XML::Simple::PREFERRED_PARSER='XML::Parser';
+}
 use xCAT::Table;
 use Data::Dumper;
 use Getopt::Long;