diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsPresenter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsPresenter.kt
index 9fe2fef618..bd3ff0e994 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsPresenter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsPresenter.kt
@@ -207,7 +207,7 @@ class MangaDetailsPresenter(
         if (isLockedFromSearch)
             return chapterList
 
-        val chapters = chapterFilter.filterChapters(chapterList, manga) as List<ChapterItem>
+        val chapters = chapterFilter.filterChapters(chapterList, manga)
 
         val sortFunction: (Chapter, Chapter) -> Int = when (manga.sorting) {
             Manga.SORTING_SOURCE -> when (sortDescending()) {
diff --git a/app/src/main/java/eu/kanade/tachiyomi/util/chapter/ChapterFilter.kt b/app/src/main/java/eu/kanade/tachiyomi/util/chapter/ChapterFilter.kt
index 6ee06e61bb..e348b63ff5 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/util/chapter/ChapterFilter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/util/chapter/ChapterFilter.kt
@@ -10,7 +10,7 @@ import uy.kohesive.injekt.api.get
 class ChapterFilter(val preferences: PreferencesHelper = Injekt.get(), val downloadManager: DownloadManager = Injekt.get()) {
 
     // filters chapters based on the manga values
-    fun filterChapters(chapters: List<Chapter>, manga: Manga): List<Chapter> {
+    fun <T : Chapter> filterChapters(chapters: List<T>, manga: Manga): List<T> {
         val readEnabled = manga.readFilter == Manga.SHOW_READ
         val unreadEnabled = manga.readFilter == Manga.SHOW_UNREAD
         val downloadEnabled = manga.downloadedFilter == Manga.SHOW_DOWNLOADED