diff --git a/.github/workflows/ReleaseNotes.md b/.github/workflows/ReleaseNotes.md
index d08fa6b0..1614de15 100644
--- a/.github/workflows/ReleaseNotes.md
+++ b/.github/workflows/ReleaseNotes.md
@@ -1,5 +1,6 @@
 * [Core] Fixed several dead locks by implementing a new async signal (#1552)
 * [Client] All waiting tasks will now fail when the client connection gets closed. This fixes several freezes (#1561)
+* [ManagedClient] The topic is no longer declared as invalid if a topic alias is used (#1395).
 * [Server] Fixed duplicated invocation of the event _ClientAcknowledgedPublishPacketAsync_ for QoS level 2 (#1550)
 * [Server] Fixed issue in upgrading and downgrading of QoS levels for subscriptions and retained messages (#1560)
-* [Server] Fixed memory leak when old sessions are discarded (#1553)
\ No newline at end of file
+* [Server] Fixed memory leak when old sessions are discarded (#1553)
diff --git a/Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs b/Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs
index 2583a605..c979627c 100644
--- a/Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs
+++ b/Source/MQTTnet.Extensions.ManagedClient/ManagedMqttClient.cs
@@ -160,7 +160,7 @@ namespace MQTTnet.Extensions.ManagedClient
                 throw new InvalidOperationException("call StartAsync before publishing messages");
             }
 
-            MqttTopicValidator.ThrowIfInvalid(applicationMessage.ApplicationMessage.Topic);
+            MqttTopicValidator.ThrowIfInvalid(applicationMessage.ApplicationMessage);
 
             ManagedMqttApplicationMessage removedMessage = null;
             ApplicationMessageSkippedEventArgs applicationMessageSkippedEventArgs = null;