diff --git a/xCAT-server/lib/xcat/plugins/pxe.pm b/xCAT-server/lib/xcat/plugins/pxe.pm
index ee70b6b19..418bc0846 100644
--- a/xCAT-server/lib/xcat/plugins/pxe.pm
+++ b/xCAT-server/lib/xcat/plugins/pxe.pm
@@ -97,7 +97,7 @@ sub setstate {
                 }
                 );
       }
-      $kern->{kcmdline} =~ s/!myipfn!/$ipfn/;
+      $kern->{kcmdline} =~ s/!myipfn!/$ipfn/g;
   }
   my $pcfg;
   unlink($tftpdir."/xcat/xnba/nodes/".$node.".pxelinux");