diff --git a/test/Abstractions.Tests/TaskNameTests.cs b/test/Abstractions.Tests/TaskNameTests.cs
index 739227e9..b5cfc435 100644
--- a/test/Abstractions.Tests/TaskNameTests.cs
+++ b/test/Abstractions.Tests/TaskNameTests.cs
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-namespace Microsoft.DurableTask;
+namespace Microsoft.DurableTask.Tests;
 
 public class TaskNameTests
 {