From 06c1681c7cf6b91bea322a949bb25eb3ac4accee Mon Sep 17 00:00:00 2001
From: Alexander Heinisch <alexander.heinisch@gmx.at>
Date: Thu, 24 Feb 2022 10:12:27 +0100
Subject: [PATCH] Fixing resolution broadcast address if multiple ip addresses
 are available.

---
 Transport/BacnetIpUdpProtocolTransport.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Transport/BacnetIpUdpProtocolTransport.cs b/Transport/BacnetIpUdpProtocolTransport.cs
index c8a1bf4..25b00c1 100644
--- a/Transport/BacnetIpUdpProtocolTransport.cs
+++ b/Transport/BacnetIpUdpProtocolTransport.cs
@@ -371,8 +371,8 @@ private static UnicastIPAddressInformation GetAddressDefaultInterface()
             .Where(a => a.Address.AddressFamily == AddressFamily.InterNetwork)
             .ToArray();
 
-        return unicastAddresses.Length == 1
-            ? unicastAddresses.Single()
+        return unicastAddresses.Length >= 1
+            ? unicastAddresses.First()
             : null;
     }