diff --git a/DigitalData.Auth.Tests/Client/AuthClientTests.cs b/DigitalData.Auth.Tests/Client/AuthClientTests.cs
index 644825d..802629f 100644
--- a/DigitalData.Auth.Tests/Client/AuthClientTests.cs
+++ b/DigitalData.Auth.Tests/Client/AuthClientTests.cs
@@ -47,7 +47,7 @@ public class AuthClientTests
         {
             using var provider = Build(opt => opt.Url = _hubUrl);
             var client = provider.GetRequiredService<IAuthClient>();
-            _clientPool.Append(client);
+            _clientPool.Enqueue(client);
         }
 
         /* Create and run test server */