diff --git a/server/interfaces/api/discoverInterfaces.ts b/server/interfaces/api/discoverInterfaces.ts
index 6738cbb5..c1015ace 100644
--- a/server/interfaces/api/discoverInterfaces.ts
+++ b/server/interfaces/api/discoverInterfaces.ts
@@ -8,7 +8,7 @@ export interface WatchlistItem {
   id: number;
   ratingKey: string;
   tmdbId: number;
-  mediaType: 'movie' | 'tv';
+  mediaType: 'movie' | 'tv' | 'music' | 'book';
   title: string;
 }