diff --git a/API/Controllers/DTOs/Chapter.cs b/API/Controllers/DTOs/Chapter.cs
index f7ec832..f9eae85 100644
--- a/API/Controllers/DTOs/Chapter.cs
+++ b/API/Controllers/DTOs/Chapter.cs
@@ -6,7 +6,7 @@ namespace API.Controllers.DTOs;
 /// <summary>
 /// <see cref="API.Schema.MangaContext.Chapter"/> DTO
 /// </summary>
-public sealed record Chapter(string Key, string MangaId, int? Volume, string ChapterNumber, string? Title, IEnumerable<MangaConnectorId> MangaConnectorIds, bool Downloaded) : Identifiable(Key)
+public sealed record Chapter(string Key, string MangaId, int? Volume, string ChapterNumber, string? Title, IEnumerable<MangaConnectorId> MangaConnectorIds, bool Downloaded, string FileName) : Identifiable(Key)
 {
     /// <summary>
     /// Identifier of the Manga this Chapter belongs to
@@ -49,4 +49,11 @@ public sealed record Chapter(string Key, string MangaId, int? Volume, string Cha
     [Required]
     [Description("Ids of the Manga on MangaConnectors")]
     public IEnumerable<MangaConnectorId> MangaConnectorIds { get; init; } = MangaConnectorIds;
+    
+    /// <summary>
+    /// Filename of the archive
+    /// </summary>
+    [Required]
+    [Description("Filename of the archive")]
+    public string FileName { get; init; } = FileName;
 }
\ No newline at end of file
diff --git a/API/Controllers/MangaController.cs b/API/Controllers/MangaController.cs
index 3992fe0..5af5aba 100644
--- a/API/Controllers/MangaController.cs
+++ b/API/Controllers/MangaController.cs
@@ -217,7 +217,7 @@ public class MangaController(MangaContext context) : Controller
         {
             if (Tranga.GetRunningWorkers().Any(worker => worker is DownloadCoverFromMangaconnectorWorker w && context.MangaConnectorToManga.Find(w.MangaConnectorIdId)?.ObjId == MangaId))
             {
-                Response.Headers.Append("Retry-After", $"{Tranga.Settings.WorkCycleTimeoutMs * 2 / 1000:D}");
+                Response.Headers.Append("Retry-After","2");
                 return TypedResults.StatusCode(Status503ServiceUnavailable);
             }
             return TypedResults.NoContent();
@@ -254,7 +254,7 @@ public class MangaController(MangaContext context) : Controller
         {
             IEnumerable<MangaConnectorId> ids = c.MangaConnectorIds.Select(id =>
                 new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
-            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded);
+            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded, c.FileName);
         }).ToList();
         
         return TypedResults.Ok(chapters);
@@ -284,7 +284,7 @@ public class MangaController(MangaContext context) : Controller
         {
             IEnumerable<MangaConnectorId> ids = c.MangaConnectorIds.Select(id =>
                 new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
-            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded);
+            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded, c.FileName);
         }).ToList();
         
         if (chapters.Count == 0)
@@ -317,7 +317,7 @@ public class MangaController(MangaContext context) : Controller
         {
             IEnumerable<MangaConnectorId> ids = c.MangaConnectorIds.Select(id =>
                 new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
-            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded);
+            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded, c.FileName);
         }).ToList();
         
         if (chapters.Count == 0)
@@ -370,7 +370,7 @@ public class MangaController(MangaContext context) : Controller
         
         IEnumerable<MangaConnectorId> ids = max.MangaConnectorIds.Select(id =>
             new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
-        return TypedResults.Ok(new Chapter(max.Key, max.ParentMangaId, max.VolumeNumber, max.ChapterNumber, max.Title,ids, max.Downloaded));
+        return TypedResults.Ok(new Chapter(max.Key, max.ParentMangaId, max.VolumeNumber, max.ChapterNumber, max.Title,ids, max.Downloaded, max.FileName));
     }
     
     /// <summary>
@@ -412,7 +412,7 @@ public class MangaController(MangaContext context) : Controller
         
         IEnumerable<MangaConnectorId> ids = max.MangaConnectorIds.Select(id =>
             new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
-        return TypedResults.Ok(new Chapter(max.Key, max.ParentMangaId, max.VolumeNumber, max.ChapterNumber, max.Title,ids, max.Downloaded));
+        return TypedResults.Ok(new Chapter(max.Key, max.ParentMangaId, max.VolumeNumber, max.ChapterNumber, max.Title,ids, max.Downloaded, max.FileName));
     }
 
     /// <summary>
diff --git a/API/Controllers/QueryController.cs b/API/Controllers/QueryController.cs
index ba3fa7c..394994d 100644
--- a/API/Controllers/QueryController.cs
+++ b/API/Controllers/QueryController.cs
@@ -51,7 +51,7 @@ public class QueryController(MangaContext context) : Controller
         
         IEnumerable<MangaConnectorId> ids = chapter.MangaConnectorIds.Select(id =>
             new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
-        return TypedResults.Ok(new Chapter(chapter.Key, chapter.ParentMangaId, chapter.VolumeNumber, chapter.ChapterNumber, chapter.Title,ids, chapter.Downloaded));
+        return TypedResults.Ok(new Chapter(chapter.Key, chapter.ParentMangaId, chapter.VolumeNumber, chapter.ChapterNumber, chapter.Title,ids, chapter.Downloaded, chapter.FileName));
     }
 
     /// <summary>