From 25d5390b5c9213128cd51404367da2bc98f0f6d9 Mon Sep 17 00:00:00 2001
From: danielpeintner <daniel.peintner@gmail.com>
Date: Wed, 20 Sep 2023 11:05:40 +0200
Subject: [PATCH] fix: wrong conversion

---
 packages/td-tools/src/td-parser.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/td-tools/src/td-parser.ts b/packages/td-tools/src/td-parser.ts
index 1311c776f..71c5fbfc9 100644
--- a/packages/td-tools/src/td-parser.ts
+++ b/packages/td-tools/src/td-parser.ts
@@ -222,7 +222,7 @@ export function serializeTD(thing: Thing): string {
     const copy = JSON.parse(JSON.stringify(thing));
 
     // clean-ups
-    if (copy?.security.length === 0) {
+    if (copy.security == null || copy.security.length === 0) {
         copy.securityDefinitions = {
             nosec_sc: { scheme: "nosec" },
         };