diff --git a/xCAT-server/lib/xcat/plugins/aixinstall.pm b/xCAT-server/lib/xcat/plugins/aixinstall.pm
index 01f7db3de..9b307fc14 100644
--- a/xCAT-server/lib/xcat/plugins/aixinstall.pm
+++ b/xCAT-server/lib/xcat/plugins/aixinstall.pm
@@ -7143,6 +7143,10 @@ sub update_dd_boot
                         $l =~ s/tmp\/swapnfs/swapnfs/g;
                         print DDBOOT $l;
                         print DDBOOT "\n                        rm -f /swapnfs\n";
+                    }
+                    elsif ($l =~ /echo "CuDv:" >> \/swapnfs/ )
+                    {
+                        print DDBOOT "echo \"CuDv:\" > /swapnfs\n";
                     } else {
                         if ($l =~ /tmp\/swapnfs/)
                         {