diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateJob.kt b/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateJob.kt
index fd890304d..b6601242d 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateJob.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateJob.kt
@@ -63,6 +63,7 @@ import tachiyomi.core.common.util.system.logcat
 import tachiyomi.domain.UnsortedPreferences
 import tachiyomi.domain.category.interactor.GetCategories
 import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 import tachiyomi.domain.chapter.model.Chapter
 import tachiyomi.domain.chapter.model.NoChaptersException
 import tachiyomi.domain.download.service.DownloadPreferences
@@ -100,7 +101,6 @@ import java.util.concurrent.CopyOnWriteArrayList
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicBoolean
 import java.util.concurrent.atomic.AtomicInteger
-import tachiyomi.domain.chapter.interactor.GetChaptersByMangaId
 
 class LibraryUpdateJob(private val context: Context, workerParams: WorkerParameters) :
     CoroutineWorker(context, workerParams) {
@@ -399,8 +399,12 @@ class LibraryUpdateJob(private val context: Context, workerParams: WorkerParamet
                                             .sortedByDescending { it.sourceOrder }.run {
                                                 if (libraryPreferences.libraryReadDuplicateChapters().get()) {
                                                     val readChapters = getChaptersByMangaId.await(manga.id).filter { it.read }
-                                                    val newReadChapters = this.filter { chapter -> readChapters.any { it.chapterNumber == chapter.chapterNumber } }
-                                                        .also { setReadStatus.await(true, *it.toTypedArray()) }
+                                                    val newReadChapters = this.filter { chapter ->
+                                                        chapter.chapterNumber > 0 &&
+                                                            readChapters.any { it.chapterNumber == chapter.chapterNumber }
+                                                    }
+
+                                                    setReadStatus.await(true, *newReadChapters.toTypedArray())
 
                                                     this.filterNot { newReadChapters.contains(it) }
                                                 } else {