diff --git a/src/models/user.ts b/src/models/user.ts
index df0e3c22a2..ab45efc981 100644
--- a/src/models/user.ts
+++ b/src/models/user.ts
@@ -311,6 +311,7 @@ export const pack = (
 		delete _user.password;
 		delete _user.token;
 		delete _user.twoFactorTempSecret;
+		delete _user.two_factor_temp_secret; // 後方互換性のため
 		delete _user.twoFactorSecret;
 		if (_user.twitter) {
 			delete _user.twitter.accessToken;