diff --git a/MQTTnet.Core/Server/MqttClientSession.cs b/MQTTnet.Core/Server/MqttClientSession.cs
index 0870a66..2bd3617 100644
--- a/MQTTnet.Core/Server/MqttClientSession.cs
+++ b/MQTTnet.Core/Server/MqttClientSession.cs
@@ -28,11 +28,11 @@ namespace MQTTnet.Core.Server
 
         public MqttClientSession(string clientId, MqttClientSessionsManager mqttClientSessionsManager, ILogger<MqttClientSession> logger, ILogger<MqttClientPendingMessagesQueue> msgQueueLogger)
         {
-            ClientId = clientId;
-            _options = mqttClientSessionsManager.Options;
             _mqttClientSessionsManager = mqttClientSessionsManager ?? throw new ArgumentNullException(nameof(mqttClientSessionsManager));
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            ClientId = clientId;
 
+            _options = mqttClientSessionsManager.Options;
             _pendingMessagesQueue = new MqttClientPendingMessagesQueue(mqttClientSessionsManager.Options, this, msgQueueLogger);
         }
 
@@ -78,7 +78,7 @@ namespace MQTTnet.Core.Server
 
                 _adapter = null;
 
-                _trace.Information(nameof(MqttClientSession), "Client '{0}': Disconnected.", ClientId);
+                _logger.LogInformation("Client '{0}': Disconnected.", ClientId);
             }
             finally
             {
diff --git a/MQTTnet.Core/Server/MqttClientSessionsManager.cs b/MQTTnet.Core/Server/MqttClientSessionsManager.cs
index 5622f88..b621b83 100644
--- a/MQTTnet.Core/Server/MqttClientSessionsManager.cs
+++ b/MQTTnet.Core/Server/MqttClientSessionsManager.cs
@@ -167,7 +167,7 @@ namespace MQTTnet.Core.Server
                         clientSession.Dispose();
                         clientSession = null;
 
-                        _trace.Verbose(nameof(MqttClientSessionsManager), "Disposed existing session of client '{0}'.", connectPacket.ClientId);
+                        _logger.LogTrace("Disposed existing session of client '{0}'.", connectPacket.ClientId);
                     }
                     else
                     {