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 a1148ca16a..7a15c45f3a 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
@@ -332,7 +332,7 @@ class LibraryPresenter(
                 i1.chapterCount = -1
                 i2.chapterCount = -1
             }
-            when {
+            val compare = when {
                 sortingMode == LibrarySort.DRAG_AND_DROP || useDnD ->
                     sortCategory(i1, i2, lastReadManga)
                 sortingMode == LibrarySort.ALPHA -> sortAlphabetical(i1, i2)
@@ -364,6 +364,10 @@ class LibraryPresenter(
                 }
                 else -> 0
             }
+            if (!(sortingMode == LibrarySort.DRAG_AND_DROP || useDnD) && compare == 0) {
+                if (ascending) sortAlphabetical(i1, i2)
+                else sortAlphabetical(i2, i1)
+            } else compare
         }
 
         val comparator = if (ascending || useDnD)
@@ -418,7 +422,7 @@ class LibraryPresenter(
             }
             i1.chapterCount = -1
             i2.chapterCount = -1
-            when {
+            val compare = when {
                 category.mangaSort != null -> {
                     var sort = when (category.sortingMode()) {
                         LibrarySort.ALPHA -> sortAlphabetical(i1, i2)
@@ -461,6 +465,9 @@ class LibraryPresenter(
                 }
                 else -> 0
             }
+            if (compare == 0) {
+                sortAlphabetical(i1, i2)
+            } else compare
         } else {
             val category = allCategories.find { it.id == i1.manga.category }?.order ?: -1
             val category2 = allCategories.find { it.id == i2.manga.category }?.order ?: -1