diff --git a/bin/stunneld.js b/bin/stunneld.js
index 3e7b63f..b48888b 100755
--- a/bin/stunneld.js
+++ b/bin/stunneld.js
@@ -101,7 +101,7 @@ if (!program.servernames.length) {
 }
 
 program.ports = Object.keys(portsMap);
-if (!opts.ports.length) {
+if (!program.ports.length) {
   program.ports = [ 80, 443 ];
 }