From 42c1155bee4147685f59a866d15c403a8e82af67 Mon Sep 17 00:00:00 2001
From: Christian Kratky <christian.kratky@googlemail.com>
Date: Fri, 30 Oct 2020 23:51:11 +0100
Subject: [PATCH] Fix nullref exception in connection handler.

---
 Source/MQTTnet/Server/MqttClientConnection.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/MQTTnet/Server/MqttClientConnection.cs b/Source/MQTTnet/Server/MqttClientConnection.cs
index c346e285..b12d4139 100644
--- a/Source/MQTTnet/Server/MqttClientConnection.cs
+++ b/Source/MQTTnet/Server/MqttClientConnection.cs
@@ -105,7 +105,7 @@ namespace MQTTnet.Server
 
             StopInternal();
 
-            await _packageReceiverTask;
+            await (_packageReceiverTask ?? PlatformAbstractionLayer.CompletedTask);
         }
 
         public void ResetStatistics()