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 e2dad5d71..317099614 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
@@ -644,7 +644,7 @@ class MangaPresenter(
      */
     fun getNextUnreadChapter(): ChapterItem? {
         return if (source.isEhBasedSource()) {
-            chapters.sortedBy { it.source_order }[0]
+            chapters.sortedBy { it.source_order }.getOrNull(0)
         } else {
             chapters.sortedByDescending { it.source_order }.find { !it.read }
         }