diff --git a/src/remote/activitypub/objects/image.ts b/src/remote/activitypub/objects/image.ts
index 7f79fc5c0..d7bc5aff2 100644
--- a/src/remote/activitypub/objects/image.ts
+++ b/src/remote/activitypub/objects/image.ts
@@ -3,13 +3,20 @@ import * as debug from 'debug';
 import uploadFromUrl from '../../../services/drive/upload-from-url';
 import { IRemoteUser } from '../../../models/user';
 import { IDriveFile } from '../../../models/drive-file';
+import Resolver from '../resolver';
 
 const log = debug('misskey:activitypub');
 
 /**
  * Imageを作成します。
  */
-export async function createImage(actor: IRemoteUser, image): Promise<IDriveFile> {
+export async function createImage(actor: IRemoteUser, value): Promise<IDriveFile> {
+	const image = await new Resolver().resolve(value);
+
+	if (image.url == null) {
+		throw new Error('invalid image: url not privided');
+	}
+
 	log(`Creating the Image: ${image.url}`);
 
 	return await uploadFromUrl(image.url, actor);
diff --git a/src/remote/activitypub/type.ts b/src/remote/activitypub/type.ts
index 983eb621f..08e5493dd 100644
--- a/src/remote/activitypub/type.ts
+++ b/src/remote/activitypub/type.ts
@@ -14,6 +14,7 @@ export interface IObject {
 	content: string;
 	icon?: any;
 	image?: any;
+	url?: string;
 }
 
 export interface IActivity extends IObject {