diff --git a/xCAT-server/lib/xcat/plugins/anaconda.pm b/xCAT-server/lib/xcat/plugins/anaconda.pm
index 2dccff4b4..290d35b68 100755
--- a/xCAT-server/lib/xcat/plugins/anaconda.pm
+++ b/xCAT-server/lib/xcat/plugins/anaconda.pm
@@ -750,6 +750,8 @@ sub mknetboot
            my ($host, $ipaddr) = xCAT::NetworkUtils->gethostnameandip($xcatmaster);
            if($ipaddr){
               $kcmdline .=" LOGSERVER=$ipaddr ";
+           }else{
+              $kcmdline .=" LOGSERVER=$xcatmaster ";
            }
 
            $kcmdline .= " xcatdebugmode=1 ";