diff --git a/html/src/app.js b/html/src/app.js
index cc1028df..9129fb4e 100644
--- a/html/src/app.js
+++ b/html/src/app.js
@@ -377,7 +377,7 @@ speechSynthesis.getVoices();
             if (response.status === 200) {
                 this.$throw(0, 'Invalid JSON response');
             }
-            this.$throw(res.status);
+            this.$throw(response.status);
         }).then(({ data, status }) => {
             if (status === 200) {
                 if (data.success === Object(data.success)) {