diff --git a/xCAT-server/lib/xcat/plugins/anaconda.pm b/xCAT-server/lib/xcat/plugins/anaconda.pm
index b1ab2ee86..448c8d129 100644
--- a/xCAT-server/lib/xcat/plugins/anaconda.pm
+++ b/xCAT-server/lib/xcat/plugins/anaconda.pm
@@ -615,7 +615,7 @@ sub mknetboot
         #}
         # append the mac address
         my $mac;
-        if($machash->{$node}->[0] && $machash->{$node}->[0]->{'mac'}) {
+        if( $useifname && $machash->{$node}->[0] && $machash->{$node}->[0]->{'mac'}) {
             # TODO: currently, only "mac" attribute with classic style is used, the "|" delimited string of "macaddress!hostname" format is not used
             $mac = $machash->{$node}->[0]->{'mac'};
             if ( (index($mac, "|") eq -1) and (index($mac, "!") eq -1) ) {