diff --git a/xCAT-server/lib/perl/xCAT/IPMI.pm b/xCAT-server/lib/perl/xCAT/IPMI.pm
index 2cff44cca..e1ef2a955 100644
--- a/xCAT-server/lib/perl/xCAT/IPMI.pm
+++ b/xCAT-server/lib/perl/xCAT/IPMI.pm
@@ -616,7 +616,7 @@ sub sendpayload {
                 push @msg,($newsize&0xff,$newsize>>8);
                 my @iv;
                 foreach (1..16) {
-                    my $num = 0xff; #int(rand(255));
+                    my $num = int(rand(255));
                     push @msg,$num;
                     push @iv, $num;
                 }