diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt
index a2a355649e..558410e967 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt
@@ -916,7 +916,7 @@ class LibraryPresenter(
             } + (-1 to catItemAll) + (0 to LibraryHeaderItem({ categories.getOrDefault(0) }, 0))
             ).toMap()
 
-        val items = libraryManga.mapNotNull {
+        val items = libraryManga.apply { if (!libraryIsGrouped) distinctBy { it.id } }.mapNotNull {
             val headerItem = (
                 if (!libraryIsGrouped) {
                     catItemAll