diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6b20ecf..1407773e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -59,7 +59,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 - (**Reader**) Fix infinite scrolling sometimes not opening previous/next chapter
 - (**Reader**) Fix preserving scroll position with RTL reading direction and a language that is read RTL
 - (**Browse**) Fix showing only nsfw sources in the browse source page when the "show nsfw" setting is disabled
-- (**Manga**) Fix mark as read/unread option not being disabled for manga without any chapters
+- (**Manga/Library**) Fix mark as read/unread option not being disabled for manga without any chapters
+- (**Manga/Library**) Fix delete/download option not being disabled for manga without any chapters
 
 ## [20260509.01] (r3147) - 2026-05-09
 
diff --git a/src/features/manga/components/MangaActionMenuItems.tsx b/src/features/manga/components/MangaActionMenuItems.tsx
index a4cd7bc5..78d9ba96 100644
--- a/src/features/manga/components/MangaActionMenuItems.tsx
+++ b/src/features/manga/components/MangaActionMenuItems.tsx
@@ -82,10 +82,10 @@ export const MangaActionMenuItems = ({
     const shouldShowMenuItem = createShouldShowMenuItem(isSingleMode);
     const isMenuItemDisabled = createIsMenuItemDisabled(isSingleMode);
 
-    const isFullyDownloaded = !!manga && manga.downloadCount === manga.chapters.totalCount;
-    const hasDownloadedChapters = !!manga?.downloadCount;
-    const hasUnreadChapters = !!manga?.unreadCount;
-    const hasReadChapters = !!manga && manga.unreadCount !== manga.chapters.totalCount;
+    const isPartiallyDownloaded = !!manga && Mangas.isPartiallyDownloaded(manga);
+    const hasDownloadedChapters = manga && Mangas.isPartiallyDownloaded(manga);
+    const hasUnreadChapters = manga && Mangas.isPartiallyRead(manga);
+    const hasReadChapters = !!manga && Mangas.isPartiallyRead(manga);
 
     const handleSelect = () => {
         handleSelection?.(manga.id, true);
@@ -121,7 +121,7 @@ export const MangaActionMenuItems = ({
             {!!handleSelection && isSingleMode && (
                 <MenuItem onClick={handleSelect} Icon={CheckBoxOutlineBlank} title={t`Select`} />
             )}
-            {shouldShowMenuItem(!isFullyDownloaded) && (
+            {shouldShowMenuItem(isPartiallyDownloaded) && (
                 <NestedMenuItem
                     disabled={isMenuItemDisabled(!downloadableMangas.length)}
                     LeftIcon={Download}
diff --git a/src/features/manga/services/Mangas.ts b/src/features/manga/services/Mangas.ts
index a0d37b75..2470b2bb 100644
--- a/src/features/manga/services/Mangas.ts
+++ b/src/features/manga/services/Mangas.ts
@@ -119,8 +119,8 @@ export class Mangas {
         });
     }
 
-    static isNotDownloaded({ downloadCount }: MangaDownloadInfo): boolean {
-        return downloadCount === 0;
+    static isNotDownloaded({ downloadCount, chapters: { totalCount } }: MangaDownloadInfo): boolean {
+        return totalCount > 0 && downloadCount === 0;
     }
 
     static getNotDownloaded<Mangas extends MangaDownloadInfo>(mangas: Mangas[]): Mangas[] {
@@ -128,7 +128,7 @@ export class Mangas {
     }
 
     static isFullyDownloaded({ downloadCount, chapters: { totalCount } }: MangaDownloadInfo): boolean {
-        return downloadCount === totalCount;
+        return totalCount > 0 && downloadCount === totalCount;
     }
 
     static getFullyDownloaded<Mangas extends MangaDownloadInfo>(mangas: Mangas[]): Mangas[] {
@@ -136,7 +136,11 @@ export class Mangas {
     }
 
     static isPartiallyDownloaded(manga: MangaDownloadInfo): boolean {
-        return !Mangas.isNotDownloaded(manga) && !Mangas.isFullyDownloaded(manga);
+        const {
+            chapters: { totalCount },
+        } = manga;
+
+        return totalCount > 0 && !Mangas.isNotDownloaded(manga) && !Mangas.isFullyDownloaded(manga);
     }
 
     static getPartiallyDownloaded<Mangas extends MangaDownloadInfo>(mangas: Mangas[]): Mangas[] {