diff --git a/Source/MQTTnet/Server/MqttClientSession.cs b/Source/MQTTnet/Server/MqttClientSession.cs
index 429fdb45..7879ea6a 100644
--- a/Source/MQTTnet/Server/MqttClientSession.cs
+++ b/Source/MQTTnet/Server/MqttClientSession.cs
@@ -405,12 +405,12 @@ namespace MQTTnet.Server
 
         private void OnAdapterReadingPacketCompleted(object sender, EventArgs e)
         {
-            _keepAliveMonitor?.Pause();
+            _keepAliveMonitor?.Resume();
         }
 
         private void OnAdapterReadingPacketStarted(object sender, EventArgs e)
         {
-            _keepAliveMonitor?.Resume();
+            _keepAliveMonitor?.Pause();
         }
     }
 }