diff --git a/CoreRemoting.Tests/RpcTests.cs b/CoreRemoting.Tests/RpcTests.cs
index d20c412..cbe9c42 100644
--- a/CoreRemoting.Tests/RpcTests.cs
+++ b/CoreRemoting.Tests/RpcTests.cs
@@ -679,5 +679,35 @@ void Roundtrip<T>(T payload, int maxSize) where T : class
                 }
             }
         }
+
+        [Fact]
+        public void Authentication_is_taken_into_account()
+        {
+            _serverFixture.Server.Config.AuthenticationRequired = true;
+            try
+            {
+                using var client = new RemotingClient(new ClientConfig()
+                {
+                    ConnectionTimeout = 0,
+                    InvocationTimeout = 0,
+                    SendTimeout = 0,
+                    Channel = ClientChannel,
+                    MessageEncryption = false,
+                    ServerPort = _serverFixture.Server.Config.NetworkPort,
+                });
+
+                client.Connect();
+
+                var proxy = client.CreateProxy<IFailingService>();
+                var ex = Assert.Throws<RemoteInvocationException>(() => proxy.Hello());
+
+                // Session is not authenticated
+                Assert.Contains("authenticated", ex.Message);
+            }
+            finally
+            {
+                _serverFixture.Server.Config.AuthenticationRequired = false;
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/CoreRemoting.Tests/Tools/FailingService.cs b/CoreRemoting.Tests/Tools/FailingService.cs
index 08e68a2..82aee79 100644
--- a/CoreRemoting.Tests/Tools/FailingService.cs
+++ b/CoreRemoting.Tests/Tools/FailingService.cs
@@ -4,12 +4,13 @@ namespace CoreRemoting.Tests.Tools;
 
 public class FailingService : IFailingService
 {
-	public FailingService()
-	{
-		throw new NotImplementedException();
-	}
+    public FailingService()
+    {
+        Console.WriteLine("FailingService constructor was called!");
+        throw new NotImplementedException();
+    }
 
-	public void Hello()
-	{
-	}
+    public void Hello()
+    {
+    }
 }
diff --git a/CoreRemoting/RemotingSession.cs b/CoreRemoting/RemotingSession.cs
index a31600e..ab5ae79 100644
--- a/CoreRemoting/RemotingSession.cs
+++ b/CoreRemoting/RemotingSession.cs
@@ -427,6 +427,9 @@ private void ProcessRpcMessage(WireMessage request)
             {
                 CurrentSession.Value = this;
 
+                if (_server.Config.AuthenticationRequired && !_isAuthenticated)
+                    throw new NetworkException("Session is not authenticated.");
+
                 var service = _server.ServiceRegistry.GetService(callMessage.ServiceName);
                 var serviceInterfaceType =
                     _server.ServiceRegistry.GetServiceInterfaceType(callMessage.ServiceName);
@@ -448,9 +451,6 @@ private void ProcessRpcMessage(WireMessage request)
                         methodName: callMessage.MethodName);
 
                 oneWay = method.GetCustomAttribute<OneWayAttribute>() != null;
-
-                if (_server.Config.AuthenticationRequired && !_isAuthenticated)
-                    throw new NetworkException("Session is not authenticated.");
             }
             catch (Exception ex)
             {