diff --git a/src/network/Session.js b/src/network/Session.js
index 85adc4c..ed5004f 100644
--- a/src/network/Session.js
+++ b/src/network/Session.js
@@ -73,6 +73,9 @@ class Session extends EventEmitter {
   async connect() {
     try {
       const response = await fetch(process.env.REACT_APP_ICE_SERVERS_URL);
+      if (!response.ok) {
+        throw Error();
+      }
       const data = await response.json();
       this._iceServers = data.iceServers;