diff --git a/app/javascript/packs/sign_up.js b/app/javascript/packs/sign_up.js
index cf9c83777..2fa12bc01 100644
--- a/app/javascript/packs/sign_up.js
+++ b/app/javascript/packs/sign_up.js
@@ -5,8 +5,11 @@ import ready from '../mastodon/ready';
 
 ready(() => {
   setInterval(() => {
-    axios.get('/api/v1/emails/check_confirmation').then((response) => {
-      if (response.data) {
+    axios.get('/api/v1/emails/check_confirmation', {
+      headers: { Accept: 'application/json' },
+      withCredentials: true,
+    }).then((response) => {
+      if (response.status === 200 && response.data === true) {
         window.location = '/start';
       }
     }).catch(error => {