diff --git a/src/remote/activitypub/models/note.ts b/src/remote/activitypub/models/note.ts
index 74d764e5e4..10cd68f6ad 100644
--- a/src/remote/activitypub/models/note.ts
+++ b/src/remote/activitypub/models/note.ts
@@ -17,7 +17,7 @@ import { deliverQuestionUpdate } from '../../../services/note/polls/update';
 import { extractDbHost, toPuny } from '../../../misc/convert-host';
 import { Notes, Emojis, Polls } from '../../../models';
 import { Note } from '../../../models/entities/note';
-import { IObject, INote, getApIds, getOneApId, getApId, validPost } from '../type';
+import { IObject, IPost, getApIds, getOneApId, getApId, validPost } from '../type';
 import { Emoji } from '../../../models/entities/emoji';
 import { genId } from '../../../misc/gen-id';
 import { fetchMeta } from '../../../misc/fetch-meta';
@@ -95,7 +95,7 @@ export async function createNote(value: string | IObject, resolver?: Resolver, s
 		throw new Error('invalid note');
 	}
 
-	const note: INote = object;
+	const note: IPost = object;
 
 	logger.debug(`Note fetched: ${JSON.stringify(note, null, 2)}`);
 
diff --git a/src/remote/activitypub/type.ts b/src/remote/activitypub/type.ts
index 59495d7891..a05ada69b6 100644
--- a/src/remote/activitypub/type.ts
+++ b/src/remote/activitypub/type.ts
@@ -69,10 +69,10 @@ export interface IOrderedCollection extends IObject {
 	orderedItems: ApObject;
 }
 
-export const validPost = ['Note', 'Question', 'Article', 'Audio', 'Document', 'Image', 'Page', 'Video'];
+export const validPost = ['Note', 'Question', 'Article', 'Audio', 'Document', 'Image', 'Page', 'Video', 'Event'];
 
-export interface INote extends IObject {
-	type: 'Note' | 'Question' | 'Article' | 'Audio' | 'Document' | 'Image' | 'Page' | 'Video';
+export interface IPost extends IObject {
+	type: 'Note' | 'Question' | 'Article' | 'Audio' | 'Document' | 'Image' | 'Page' | 'Video' | 'Event';
 	_misskey_content?: string;
 	_misskey_quote?: string;
 	quoteUrl?: string;