diff --git a/packages/backend/src/remote/activitypub/models/person.ts b/packages/backend/src/remote/activitypub/models/person.ts
index 14abf3b1d3..d52aa1074e 100644
--- a/packages/backend/src/remote/activitypub/models/person.ts
+++ b/packages/backend/src/remote/activitypub/models/person.ts
@@ -28,7 +28,7 @@ import { fetchInstanceMetadata } from "@/services/fetch-instance-metadata.js";
 import { normalizeForSearch } from "@/misc/normalize-for-search.js";
 import { truncate } from "@/misc/truncate.js";
 import { StatusError } from "@/misc/fetch.js";
-import { uriPersonCache } from "@/services/user-cache.js";
+import { uriPersonCache, userByIdCache } from "@/services/user-cache.js";
 import { publishInternalEvent } from "@/services/stream.js";
 import { db } from "@/db/postgre.js";
 import { apLogger } from "../logger.js";
@@ -373,6 +373,8 @@ export async function createPerson(
 
 	await updateFeatured(user!.id, resolver).catch((err) => logger.error(err));
 
+	await userByIdCache.set(user.id, {...user, emojis, avatar, banner});
+
 	return user!;
 }