diff --git a/sdk/storage/Azure.Storage.Blobs/tests/BlockBlobClientTests.cs b/sdk/storage/Azure.Storage.Blobs/tests/BlockBlobClientTests.cs
index 601d9372c538..721ff48f2617 100644
--- a/sdk/storage/Azure.Storage.Blobs/tests/BlockBlobClientTests.cs
+++ b/sdk/storage/Azure.Storage.Blobs/tests/BlockBlobClientTests.cs
@@ -26,7 +26,7 @@ public class BlockBlobClientTests : BlobTestBase
             ex => ex.Status == 500 && ex.ErrorCode == BlobErrorCode.CannotVerifyCopySource.ToString();
 
         public BlockBlobClientTests(bool async, BlobClientOptions.ServiceVersion serviceVersion)
-            : base(async, serviceVersion, RecordedTestMode.Record /* RecordedTestMode.Record /* to re-record */)
+            : base(async, serviceVersion, null /* RecordedTestMode.Record /* to re-record */)
         {
         }