diff --git a/services/Archival/FilterLists.Archival.Application/Commands/ArchiveList.cs b/services/Archival/FilterLists.Archival.Application/Commands/ArchiveList.cs
index fa1f5aaf0..0441ef4c6 100644
--- a/services/Archival/FilterLists.Archival.Application/Commands/ArchiveList.cs
+++ b/services/Archival/FilterLists.Archival.Application/Commands/ArchiveList.cs
@@ -54,7 +54,7 @@ public async Task<Unit> Handle(Command request, CancellationToken cancellationTo
                     var archiveTasks = new List<Task>();
                     foreach (var segment in segments)
                     {
-                        Stream? contents = default; // TODO: fetch list file stream
+                        Stream contents = null!; // TODO: fetch list file stream
                         var path = Path.Combine(
                             listDetails.Id.ToString(CultureInfo.InvariantCulture),
                             segment.SegmentNumber.ToString(CultureInfo.InvariantCulture));