diff --git a/server/middlewares/validators/users.ts b/server/middlewares/validators/users.ts
index d51bc27e6..26f43cec7 100644
--- a/server/middlewares/validators/users.ts
+++ b/server/middlewares/validators/users.ts
@@ -2,7 +2,7 @@ import * as Bluebird from 'bluebird'
 import * as express from 'express'
 import { body, param } from 'express-validator'
 import { omit } from 'lodash'
-import { isIdOrUUIDValid, toBooleanOrNull } from '../../helpers/custom-validators/misc'
+import { isIdOrUUIDValid, toBooleanOrNull, toIntOrNull } from '../../helpers/custom-validators/misc'
 import {
   isUserAdminFlagsValid,
   isUserAutoPlayVideoValid,