diff --git a/assets/js/hooks/js_view.js b/assets/js/hooks/js_view.js
index e7f70bf10..8ffec257e 100644
--- a/assets/js/hooks/js_view.js
+++ b/assets/js/hooks/js_view.js
@@ -507,9 +507,11 @@ const JSView = {
  * once and the response is cached.
  */
 function cachedPublicEndpointCheck() {
+  const healthUrl = window.LIVEBOOK_BASE_URL_PATH + "/public/health";
+
   cachedPublicEndpointCheck.promise =
     cachedPublicEndpointCheck.promise ||
-    fetch("/public/health")
+    fetch(healthUrl)
       .then((response) => response.status === 200)
       .catch((error) => false);