diff --git a/src/remote/activitypub/models/person.ts b/src/remote/activitypub/models/person.ts
index c2b99dfb0..d27c93798 100644
--- a/src/remote/activitypub/models/person.ts
+++ b/src/remote/activitypub/models/person.ts
@@ -294,6 +294,13 @@ export async function updatePerson(uri: string, resolver?: Resolver, hint?: obje
 	}
 	//#endregion
 
+	// 繋がらないインスタンスに何回も試行するのを防ぐ, 後続の同様処理の連続試行を防ぐ ため 試行前にも更新する
+	await User.update({ _id: exist._id }, {
+		$set: {
+			lastFetchedAt: new Date(),
+		},
+	});
+
 	if (resolver == null) resolver = new Resolver();
 
 	const object = hint || await resolver.resolve(uri) as any;