diff --git a/Source/MQTTnet/Client/MqttClient.cs b/Source/MQTTnet/Client/MqttClient.cs
index 4d36ff6c..63683193 100644
--- a/Source/MQTTnet/Client/MqttClient.cs
+++ b/Source/MQTTnet/Client/MqttClient.cs
@@ -176,12 +176,12 @@ namespace MQTTnet.Client
 
         public void Dispose()
         {
-			_cancellationTokenSource?.Cancel ();
+            _cancellationTokenSource?.Cancel ();
             _cancellationTokenSource?.Dispose();
             _cancellationTokenSource = null;
 
             _adapter?.Dispose();
-			_adapter = null;
+            _adapter = null;
         }
 
         private async Task<MqttConnAckPacket> AuthenticateAsync(MqttApplicationMessage willApplicationMessage, CancellationToken cancellationToken)
diff --git a/Source/MQTTnet/Server/MqttClientSession.cs b/Source/MQTTnet/Server/MqttClientSession.cs
index b2bb96b3..95b15266 100644
--- a/Source/MQTTnet/Server/MqttClientSession.cs
+++ b/Source/MQTTnet/Server/MqttClientSession.cs
@@ -125,7 +125,7 @@ namespace MQTTnet.Server
                 }
 
                 _adapter = null;
-				_cancellationTokenSource?.Cancel ();
+                _cancellationTokenSource?.Cancel ();
                 _cancellationTokenSource?.Dispose();
                 _cancellationTokenSource = null;
             }
@@ -240,9 +240,9 @@ namespace MQTTnet.Server
         {
             _pendingPacketsQueue?.Dispose();
 
-			_cancellationTokenSource?.Cancel ();
+            _cancellationTokenSource?.Cancel ();
             _cancellationTokenSource?.Dispose();
-			_cancellationTokenSource = null;
+            _cancellationTokenSource = null;
         }
 
         private void ProcessReceivedPacket(IMqttChannelAdapter adapter, MqttBasePacket packet, CancellationToken cancellationToken)