1 files changed, 6 insertions, 1 deletions

diff --git a/server/controllers/api/users/token.ts b/server/controllers/api/users/token.ts
index 012a49791..c6afea67c 100644
--- a/server/controllers/api/users/token.ts
+++ b/server/controllers/api/users/token.ts
@@ -1,8 +1,9 @@
 import express from 'express'
 import { logger } from '@server/helpers/logger'
 import { CONFIG } from '@server/initializers/config'
+import { OTP } from '@server/initializers/constants'
 import { getAuthNameFromRefreshGrant, getBypassFromExternalAuth, getBypassFromPasswordGrant } from '@server/lib/auth/external-auth'
-import { handleOAuthToken } from '@server/lib/auth/oauth'
+import { handleOAuthToken, MissingTwoFactorError } from '@server/lib/auth/oauth'
 import { BypassLogin, revokeToken } from '@server/lib/auth/oauth-model'
 import { Hooks } from '@server/lib/plugins/hooks'
 import { asyncMiddleware, authenticate, buildRateLimiter, openapiOperationDoc } from '@server/middlewares'
@@ -79,6 +80,10 @@ async function handleToken (req: express.Request, res: express.Response, next: e
   } catch (err) {
     logger.warn('Login error', { err })
 
+    if (err instanceof MissingTwoFactorError) {
+      res.set(OTP.HEADER_NAME, OTP.HEADER_REQUIRED_VALUE)
+    }
+
     return res.fail({
       status: err.code,
       message: err.message,