diff --git a/API/Schema/Jobs/DownloadAvailableChaptersJob.cs b/API/Schema/Jobs/DownloadAvailableChaptersJob.cs
index 961cb3a..e4d2eed 100644
--- a/API/Schema/Jobs/DownloadAvailableChaptersJob.cs
+++ b/API/Schema/Jobs/DownloadAvailableChaptersJob.cs
@@ -36,6 +36,6 @@ public class DownloadAvailableChaptersJob : Job
     
     protected override IEnumerable<Job> RunInternal(PgsqlContext context)
     {
-        return Manga.Chapters.Select(chapter => new DownloadSingleChapterJob(chapter, this));
+        return Manga.Chapters.Where(c => c.Downloaded == false).Select(chapter => new DownloadSingleChapterJob(chapter, this));
     }
 }
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