diff --git a/lf_portmod.pl b/lf_portmod.pl
index e5fbdb97..2a0edd73 100755
--- a/lf_portmod.pl
+++ b/lf_portmod.pl
@@ -351,7 +351,7 @@ if ($load ne "") {
 }
 
 if ((defined $list_ports) && $list_ports) {
-   $utils->doCmd("show_ports 1 $card ALL");
+   $utils->doAsyncCmd("nc_show_ports 1 $card all");
    exit(0);
 }