diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
index 3a19f1531..312be9c73 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
@@ -1423,13 +1423,14 @@ class MangaController :
     // OVERFLOW MENU DIALOGS
 
     private fun getUnreadChaptersSorted() = /* SY --> */ if (presenter.source.isEhBasedSource()) presenter.chapters
+        .sortedWith(presenter.getChapterSort())
         .filter { !it.read && it.status == Download.State.NOT_DOWNLOADED }
         .distinctBy { it.name }
-        .sortedBy { it.source_order }
     else /* SY <-- */ presenter.chapters
+        .sortedWith(presenter.getChapterSort())
         .filter { !it.read && it.status == Download.State.NOT_DOWNLOADED }
         .distinctBy { it.name }
-        .sortedByDescending { it.source_order }
+        .reversed()
 
     private fun downloadChapters(choice: Int) {
         val chaptersToDownload = when (choice) {
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt
index 4aa740da7..bbdc7554c 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt
@@ -846,7 +846,11 @@ class MangaPresenter(
         }
         // SY <--
 
-        val sortFunction: (Chapter, Chapter) -> Int = when (manga.sorting) {
+        return observable.toSortedList(getChapterSort())
+    }
+
+    fun getChapterSort(): (Chapter, Chapter) -> Int {
+        return when (manga.sorting) {
             Manga.SORTING_SOURCE -> when (sortDescending()) {
                 true -> { c1, c2 -> c1.source_order.compareTo(c2.source_order) }
                 false -> { c1, c2 -> c2.source_order.compareTo(c1.source_order) }
@@ -861,8 +865,6 @@ class MangaPresenter(
             }
             else -> throw NotImplementedError("Unimplemented sorting method")
         }
-
-        return observable.toSortedList(sortFunction)
     }
 
     /**