diff --git a/code/Infrastructure/Verticals/DownloadClient/DummyDownloadService.cs b/code/Infrastructure/Verticals/DownloadClient/DummyDownloadService.cs
index 6e8fc20..e8e723a 100644
--- a/code/Infrastructure/Verticals/DownloadClient/DummyDownloadService.cs
+++ b/code/Infrastructure/Verticals/DownloadClient/DummyDownloadService.cs
@@ -24,7 +24,7 @@ public class DummyDownloadService : DownloadService
         IMemoryCache cache,
         IFilenameEvaluator filenameEvaluator,
         IStriker striker,
-        NotificationPublisher notifier,
+        INotificationPublisher notifier,
         IDryRunInterceptor dryRunInterceptor,
         IHardLinkFileService hardLinkFileService
     ) : base(