diff --git a/packages/backend/src/server/api/mastodon/ApiMastodonCompatibleService.ts b/packages/backend/src/server/api/mastodon/ApiMastodonCompatibleService.ts
index 65f8130a66..57a86c96d2 100644
--- a/packages/backend/src/server/api/mastodon/ApiMastodonCompatibleService.ts
+++ b/packages/backend/src/server/api/mastodon/ApiMastodonCompatibleService.ts
@@ -23,7 +23,7 @@ export function apiMastodonCompatible(router: Router): void {
 	apiStatusMastodon(router)
 	apiFilterMastodon(router)
 	apiTimelineMastodon(router)
-	apiNotificationMastodon(router)
+	apiNotificationsMastodon(router)
 	apiSearchMastodon(router)
 
 	router.get('/v1/custom_emojis', async (ctx) => {