From 08548b9f09bfe896a3e10e0d84c4e769fd755315 Mon Sep 17 00:00:00 2001
From: Jan Romann <jan.romann@hs-emden-leer.de>
Date: Sun, 29 Oct 2023 10:06:05 +0100
Subject: [PATCH] fix: fix duplicate URI detection during MDNS discovery

---
 lib/src/core/thing_discovery.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/core/thing_discovery.dart b/lib/src/core/thing_discovery.dart
index e0499036..90ae3c94 100644
--- a/lib/src/core/thing_discovery.dart
+++ b/lib/src/core/thing_discovery.dart
@@ -298,7 +298,7 @@ class ThingDiscovery extends Stream<ThingDescription>
           scheme: txtRecords['scheme'] ?? defaultScheme,
         );
 
-        final duplicate = discoveredUris.add(uri);
+        final duplicate = !discoveredUris.add(uri);
 
         if (duplicate) {
           continue;