diff --git a/src/remote/activitypub/renderer/announce.ts b/src/remote/activitypub/renderer/announce.ts
index 6d5a67b5c3..f6276ade04 100644
--- a/src/remote/activitypub/renderer/announce.ts
+++ b/src/remote/activitypub/renderer/announce.ts
@@ -6,6 +6,7 @@ export default (object: any, note: INote) => {
 
 	return {
 		id: `${config.url}/notes/${note._id}`,
+		actor: `${config.url}/users/${note.userId}`,
 		type: 'Announce',
 		published: note.createdAt.toISOString(),
 		to: ['https://www.w3.org/ns/activitystreams#Public'],
diff --git a/src/remote/activitypub/renderer/create.ts b/src/remote/activitypub/renderer/create.ts
index b8bf98a655..42b36195ff 100644
--- a/src/remote/activitypub/renderer/create.ts
+++ b/src/remote/activitypub/renderer/create.ts
@@ -1,4 +1,12 @@
-export default (object: any) => ({
-	type: 'Create',
-	object
-});
+import config from '../../../config';
+import { INote } from '../../../models/note';
+
+export default (object: any, note: INote) => {
+	return {
+		id: `${config.url}/notes/${note._id}/activity`,
+		actor: `${config.url}/users/${note.userId}`,
+		type: 'Create',
+		published: note.createdAt.toISOString(),
+		object
+	};
+};
diff --git a/src/services/note/create.ts b/src/services/note/create.ts
index 268bfa5bbe..63e3557828 100644
--- a/src/services/note/create.ts
+++ b/src/services/note/create.ts
@@ -240,7 +240,7 @@ export default async (user: IUser, data: Option, silent = false) => new Promise<
 async function renderActivity(data: Option, note: INote) {
 	const content = data.renote && data.text == null
 		? renderAnnounce(data.renote.uri ? data.renote.uri : `${config.url}/notes/${data.renote._id}`, note)
-		: renderCreate(await renderNote(note, false));
+		: renderCreate(await renderNote(note, false), note);
 
 	return packAp(content);
 }