diff --git a/Tranga/Jobs/DownloadChapter.cs b/Tranga/Jobs/DownloadChapter.cs
index b13503c..703ca03 100644
--- a/Tranga/Jobs/DownloadChapter.cs
+++ b/Tranga/Jobs/DownloadChapter.cs
@@ -7,12 +7,12 @@ public class DownloadChapter : Job
 {
     public Chapter chapter { get; init; }
 
-    public DownloadChapter(GlobalBase clone, MangaConnector connector, Chapter chapter, DateTime lastExecution, string? parentJobId = null) : base(clone, connector, lastExecution, parentJobId: parentJobId)
+    public DownloadChapter(GlobalBase clone, MangaConnector connector, Chapter chapter, DateTime lastExecution, string? parentJobId = null) : base(clone, JobType.DownloadChapterJob, connector, lastExecution, parentJobId: parentJobId)
     {
         this.chapter = chapter;
     }
     
-    public DownloadChapter(GlobalBase clone, MangaConnector connector, Chapter chapter, string? parentJobId = null) : base(clone, connector, parentJobId: parentJobId)
+    public DownloadChapter(GlobalBase clone, MangaConnector connector, Chapter chapter, string? parentJobId = null) : base(clone, JobType.DownloadChapterJob, connector, parentJobId: parentJobId)
     {
         this.chapter = chapter;
     }
diff --git a/Tranga/Jobs/DownloadNewChapters.cs b/Tranga/Jobs/DownloadNewChapters.cs
index 8f02c69..8544fa5 100644
--- a/Tranga/Jobs/DownloadNewChapters.cs
+++ b/Tranga/Jobs/DownloadNewChapters.cs
@@ -8,14 +8,14 @@ public class DownloadNewChapters : Job
     public string translatedLanguage { get; init; }
 
     public DownloadNewChapters(GlobalBase clone, MangaConnector connector, Manga manga, DateTime lastExecution,
-        bool recurring = false, TimeSpan? recurrence = null, string? parentJobId = null, string translatedLanguage = "en") : base(clone, connector, lastExecution, recurring,
+        bool recurring = false, TimeSpan? recurrence = null, string? parentJobId = null, string translatedLanguage = "en") : base(clone, JobType.DownloadNewChaptersJob, connector, lastExecution, recurring,
         recurrence, parentJobId)
     {
         this.manga = manga;
         this.translatedLanguage = translatedLanguage;
     }
     
-    public DownloadNewChapters(GlobalBase clone, MangaConnector connector, Manga manga, bool recurring = false, TimeSpan? recurrence = null, string? parentJobId = null, string translatedLanguage = "en") : base (clone, connector, recurring, recurrence, parentJobId)
+    public DownloadNewChapters(GlobalBase clone, MangaConnector connector, Manga manga, bool recurring = false, TimeSpan? recurrence = null, string? parentJobId = null, string translatedLanguage = "en") : base (clone, JobType.DownloadNewChaptersJob, connector, recurring, recurrence, parentJobId)
     {
         this.manga = manga;
         this.translatedLanguage = translatedLanguage;
diff --git a/Tranga/Jobs/Job.cs b/Tranga/Jobs/Job.cs
index 0f0fc5d..d476d98 100644
--- a/Tranga/Jobs/Job.cs
+++ b/Tranga/Jobs/Job.cs
@@ -13,9 +13,13 @@ public abstract class Job : GlobalBase
     public string id => GetId();
     internal IEnumerable<Job>? subJobs { get; private set; }
     public string? parentJobId { get; init; }
+    public enum JobType : byte { DownloadChapterJob, DownloadNewChaptersJob, UpdateMetaDataJob }
 
-    internal Job(GlobalBase clone, MangaConnector connector, bool recurring = false, TimeSpan? recurrenceTime = null, string? parentJobId = null) : base(clone)
+    public JobType jobType;
+
+    internal Job(GlobalBase clone, JobType jobType, MangaConnector connector, bool recurring = false, TimeSpan? recurrenceTime = null, string? parentJobId = null) : base(clone)
     {
+        this.jobType = jobType;
         this.mangaConnector = connector;
         this.progressToken = new ProgressToken(0);
         this.recurring = recurring;
@@ -27,9 +31,10 @@ public abstract class Job : GlobalBase
         this.parentJobId = parentJobId;
     }
 
-    internal Job(GlobalBase clone, MangaConnector connector, DateTime lastExecution, bool recurring = false,
+    internal Job(GlobalBase clone, JobType jobType, MangaConnector connector, DateTime lastExecution, bool recurring = false,
         TimeSpan? recurrenceTime = null, string? parentJobId = null) : base(clone)
     {
+        this.jobType = jobType;
         this.mangaConnector = connector;
         this.progressToken = new ProgressToken(0);
         this.recurring = recurring;
diff --git a/Tranga/Jobs/JobJsonConverter.cs b/Tranga/Jobs/JobJsonConverter.cs
index 794075e..eaca679 100644
--- a/Tranga/Jobs/JobJsonConverter.cs
+++ b/Tranga/Jobs/JobJsonConverter.cs
@@ -23,7 +23,20 @@ public class JobJsonConverter : JsonConverter
     public override object ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
     {
         JObject jo = JObject.Load(reader);
-        if (jo.ContainsKey("manga"))//DownloadNewChapters
+
+        if (jo.ContainsKey("jobType") && jo["jobType"]!.Value<byte>() == (byte)Job.JobType.UpdateMetaDataJob)
+        {
+            return new UpdateMetadata(this._clone,
+                jo.GetValue("mangaConnector")!.ToObject<MangaConnector>(JsonSerializer.Create(new JsonSerializerSettings()
+                {
+                    Converters =
+                    {
+                        this._mangaConnectorJsonConverter
+                    }
+                }))!,
+                jo.GetValue("manga")!.ToObject<Manga>(),
+                jo.GetValue("parentJobId")!.Value<string?>());
+        }else if ((jo.ContainsKey("jobType") && jo["jobType"]!.Value<byte>() == (byte)Job.JobType.DownloadNewChaptersJob) || jo.ContainsKey("translatedLanguage"))//TODO change to jobType
         {
             return new DownloadNewChapters(this._clone,
                 jo.GetValue("mangaConnector")!.ToObject<MangaConnector>(JsonSerializer.Create(new JsonSerializerSettings()
@@ -38,9 +51,7 @@ public class JobJsonConverter : JsonConverter
                 jo.GetValue("recurring")!.Value<bool>(),
                 jo.GetValue("recurrenceTime")!.ToObject<TimeSpan?>(),
                 jo.GetValue("parentJobId")!.Value<string?>());
-        }
-
-        if (jo.ContainsKey("chapter"))//DownloadChapter
+        }else if ((jo.ContainsKey("jobType") && jo["jobType"]!.Value<byte>() == (byte)Job.JobType.DownloadChapterJob) || jo.ContainsKey("chapter"))//TODO change to jobType
         {
             return new DownloadChapter(this._clone,
                 jo.GetValue("mangaConnector")!.ToObject<MangaConnector>(JsonSerializer.Create(new JsonSerializerSettings()
diff --git a/Tranga/Jobs/UpdateMetadata.cs b/Tranga/Jobs/UpdateMetadata.cs
index 2dbb625..93ef394 100644
--- a/Tranga/Jobs/UpdateMetadata.cs
+++ b/Tranga/Jobs/UpdateMetadata.cs
@@ -14,6 +14,7 @@ public class UpdateMetadata : Job
     }
     
     public UpdateMetadata(GlobalBase clone, MangaConnector connector, Manga manga, JobBoss jobBoss, string? parentJobId = null) : base(clone, connector, parentJobId: parentJobId)
+    public UpdateMetadata(GlobalBase clone, MangaConnector connector, Manga manga, string? parentJobId = null) : base(clone, JobType.UpdateMetaDataJob, connector, parentJobId: parentJobId)
     {
         this.manga = manga;
         this.jobBoss = jobBoss;