diff --git a/xCAT-server-2.0/lib/xcat/plugins/lsslp.pm b/xCAT-server-2.0/lib/xcat/plugins/lsslp.pm
index 33a9463a8..feacff62a 100644
--- a/xCAT-server-2.0/lib/xcat/plugins/lsslp.pm
+++ b/xCAT-server-2.0/lib/xcat/plugins/lsslp.pm
@@ -9,7 +9,9 @@ use Storable qw(freeze thaw);
 use Time::HiRes qw(gettimeofday);
 use IO::Select;
 use XML::Simple;
-$XML::Simple::PREFERRED_PARSER='XML::Parser';
+if ($^O =~ /^linux/i) {
+	$XML::Simple::PREFERRED_PARSER='XML::Parser';
+}
 use xCAT::PPCdb;