diff --git a/src/routes/api/auth/change_mail.js b/src/routes/api/auth/change_mail.js
index 4d4d6a2b..1f4d2dd4 100644
--- a/src/routes/api/auth/change_mail.js
+++ b/src/routes/api/auth/change_mail.js
@@ -35,7 +35,7 @@ export default async (req: Request, res: Response) => {
   }
 
   const { user, lang } = req;
-  if (!user) {
+  if (!user || !user.regUser) {
     res.status(401);
     res.json({
       errors: [t`You are not authenticated.`],
diff --git a/src/routes/api/auth/change_name.js b/src/routes/api/auth/change_name.js
index 3661e9f0..1c394edf 100644
--- a/src/routes/api/auth/change_name.js
+++ b/src/routes/api/auth/change_name.js
@@ -26,7 +26,7 @@ export default async (req: Request, res: Response) => {
   const { name } = req.body;
   const { user } = req;
 
-  if (!user) {
+  if (!user || !user.regUser) {
     res.status(401);
     res.json({
       errors: ['You are not authenticated.'],
diff --git a/src/routes/api/auth/change_passwd.js b/src/routes/api/auth/change_passwd.js
index 32b9beeb..f60840c9 100644
--- a/src/routes/api/auth/change_passwd.js
+++ b/src/routes/api/auth/change_passwd.js
@@ -31,7 +31,7 @@ export default async (req: Request, res: Response) => {
   }
 
   const { user } = req;
-  if (!user) {
+  if (!user || !user.regUser) {
     res.status(401);
     res.json({
       errors: [t`You are not authenticated.`],
diff --git a/src/routes/api/auth/delete_account.js b/src/routes/api/auth/delete_account.js
index 9b3fc1ef..0ff475bd 100644
--- a/src/routes/api/auth/delete_account.js
+++ b/src/routes/api/auth/delete_account.js
@@ -28,7 +28,7 @@ export default async (req, res) => {
   }
 
   const { user } = req;
-  if (!user) {
+  if (!user || !user.regUser) {
     res.status(401);
     res.json({
       errors: [t`You are not authenticated.`],
diff --git a/src/routes/api/auth/logout.js b/src/routes/api/auth/logout.js
index 412f38ed..ad22c844 100644
--- a/src/routes/api/auth/logout.js
+++ b/src/routes/api/auth/logout.js
@@ -7,7 +7,7 @@ import type { Request, Response } from 'express';
 export default async (req: Request, res: Response) => {
   const { user } = req;
   const { t } = req.ttag;
-  if (!user) {
+  if (!user || !user.regUser) {
     res.status(401);
     res.json({
       errors: [t`You are not even logged in.`],
diff --git a/src/routes/api/auth/resend_verify.js b/src/routes/api/auth/resend_verify.js
index 71f05179..2a3ec9ac 100644
--- a/src/routes/api/auth/resend_verify.js
+++ b/src/routes/api/auth/resend_verify.js
@@ -11,7 +11,7 @@ import { getHostFromRequest } from '../../../utils/ip';
 
 export default async (req: Request, res: Response) => {
   const { user, lang } = req;
-  if (!user) {
+  if (!user || !user.regUser) {
     res.status(401);
     res.json({
       errors: ['You are not authenticated.'],