diff --git a/src/screens/settings/LibrarySettings.tsx b/src/screens/settings/LibrarySettings.tsx
index 351f710c10..7eaef979b8 100644
--- a/src/screens/settings/LibrarySettings.tsx
+++ b/src/screens/settings/LibrarySettings.tsx
@@ -28,7 +28,7 @@ const removeNonLibraryMangasFromCategories = async (): Promise<void> => {
 
         const mangaIdsToRemove = Mangas.getIds(nonLibraryMangas.data.mangas.nodes);
 
-        if (!mangaIdsToRemove.length) {
+        if (mangaIdsToRemove.length) {
             await requestManager.updateMangasCategories(mangaIdsToRemove, {
                 clearCategories: true,
             }).response;