diff --git a/packages/backend/src/server/api/mastodon/converters/note.ts b/packages/backend/src/server/api/mastodon/converters/note.ts
index dea6d7240..85ef9b59b 100644
--- a/packages/backend/src/server/api/mastodon/converters/note.ts
+++ b/packages/backend/src/server/api/mastodon/converters/note.ts
@@ -188,6 +188,7 @@ export class NoteConverter {
             reactions: populated.then(populated => Promise.resolve(reaction).then(reaction => this.encodeReactions(note.reactions, reaction?.reaction, populated))),
             bookmarked: isBookmarked,
             quote: reblog.then(reblog => isQuote(note) ? reblog : null),
+			quote_id: isQuote(note) ? note.renoteId : null,
             edited_at: note.updatedAt?.toISOString() ?? null,
             filtered: filtered,
         });
diff --git a/packages/backend/src/server/api/mastodon/entities/status.ts b/packages/backend/src/server/api/mastodon/entities/status.ts
index ce1d5b05b..065ed98e8 100644
--- a/packages/backend/src/server/api/mastodon/entities/status.ts
+++ b/packages/backend/src/server/api/mastodon/entities/status.ts
@@ -41,6 +41,7 @@ namespace MastodonEntity {
         pinned: boolean | undefined;
         reactions: Array<Reaction>;
         quote: Status | null;
+        quote_id: string | null;
         bookmarked: boolean;
         edited_at: string | null;
         filtered: Array<FilterResult> | null;