diff --git a/utils/fetchEventSource.js b/utils/fetchEventSource.js
index 2d3401cb11508e3431ec0412675854209feab259..5fc567a27ad0d045e36a9674447d97dfca085c65 100644
--- a/utils/fetchEventSource.js
+++ b/utils/fetchEventSource.js
@@ -10,6 +10,11 @@ export default (url, { onmessage, onerror, controller, params }) => {
             'Authorization': token.value
         },
         body: JSON.stringify(params),
+        onopen (response) {
+            if (response.status === 401 || response.status === 403) {
+                throw Error()
+            }
+        },
         onmessage (info) {
             onmessage(info)
         },