diff --git a/gatsby.js b/gatsby.js
index f6bcad1..a05d426 100644
--- a/gatsby.js
+++ b/gatsby.js
@@ -14,8 +14,9 @@ Cypress.on('window:load', (win) => {
   }
 
   const source = new EventSource(`${baseUrl}/__webpack_hmr`);
-  source.onopen = () => console.debug(LOG_TAG, 'Connected to HMR event source');
+  let timeout;
 
+  source.onopen = () => console.debug(LOG_TAG, 'Connected to HMR event source');
   source.addEventListener('message', function (e) {
     const { action } = JSON.parse(e.data);
     switch (action) {