diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index 2976172839..a339194cc7 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -321,7 +321,7 @@ export class UserEntityService implements OnModuleInit {
 			.getMany() : [];
 		const profile = opts.detail ? (opts.userProfile ?? await this.userProfilesRepository.findOneByOrFail({ userId: user.id })) : null;
 
-		const mastoapi = opts.userProfile ?? await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
+		const mastoapi = !opts.detail ? opts.userProfile ?? await this.userProfilesRepository.findOneByOrFail({ userId: user.id }) : null;
 
 		const followingCount = profile == null ? null :
 			(profile.ffVisibility === 'public') || isMe ? user.followingCount :
@@ -346,7 +346,7 @@ export class UserEntityService implements OnModuleInit {
 			host: user.host,
 			avatarUrl: user.avatarUrl ?? this.getIdenticonUrl(user),
 			avatarBlurhash: user.avatarBlurhash,
-			description: mastoapi!.description,
+			description: mastoapi ? mastoapi.description : profile ? profile.description : '',
 			createdAt: user.createdAt.toISOString(),
 			isBot: user.isBot ?? falsy,
 			isCat: user.isCat ?? falsy,