diff --git a/app/assets/javascripts/discourse/app/lib/register-service-worker.js b/app/assets/javascripts/discourse/app/lib/register-service-worker.js
index 095ac6c141..c4fa02bc94 100644
--- a/app/assets/javascripts/discourse/app/lib/register-service-worker.js
+++ b/app/assets/javascripts/discourse/app/lib/register-service-worker.js
@@ -5,9 +5,7 @@ export function registerServiceWorker(
   serviceWorkerURL,
   registerOptions = {}
 ) {
-  const isSecured = document.location.protocol === "https:";
-
-  if (isSecured && "serviceWorker" in navigator) {
+  if (window.isSecureContext && "serviceWorker" in navigator) {
     const caps = container.lookup("capabilities:main");
     const isAppleBrowser =
       caps.isSafari ||