diff --git a/perl-xCAT/xCAT/PPCconn.pm b/perl-xCAT/xCAT/PPCconn.pm
index 6e83ccd8a..f34d9b137 100644
--- a/perl-xCAT/xCAT/PPCconn.pm
+++ b/perl-xCAT/xCAT/PPCconn.pm
@@ -490,6 +490,9 @@ sub mkhwconn
             my $ntype = $$d[4];
             if ($ntype =~ /^(cec|frame|blade)$/)
             {
+                if ($ntype eq "blade") {
+                    delete $opt->{port};
+                }
                 $cnode = xCAT::DBobjUtils::getchildren($node_name, $opt->{port});
             } else {
                 $cnode = $node_name;