diff --git a/index.html b/index.html
index 61c0231..b4f46f2 100644
--- a/index.html
+++ b/index.html
@@ -53,21 +53,5 @@
       <h2>JavaScript support is required to run this app.</h2>
     </noscript>
     <script src="src/index.ts" async></script>
-    <script>
-      if ("serviceWorker" in navigator) {
-        const x = "sw.js";
-        navigator.serviceWorker
-          .register(x)
-          .then(function (registration) {
-            console.log(
-              "Registration successful, scope is:",
-              registration.scope
-            );
-          })
-          .catch(function (error) {
-            console.log("Service worker registration failed, error:", error);
-          });
-      }
-    </script>
   </body>
 </html>
diff --git a/src/index.ts b/src/index.ts
index 1ed2daa..c888890 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -12,3 +12,15 @@ const defaultTabs = [
 defaultTabs.forEach((tab) => {
   manager.openTab(tab.page, tab.active);
 });
+
+if ("serviceWorker" in navigator) {
+  const x = "sw.js";
+  navigator.serviceWorker
+    .register(x)
+    .then((registration) => {
+      console.log("Registration successful, scope is:", registration.scope);
+    })
+    .catch((error) => {
+      console.log("Service worker registration failed, error:", error);
+    });
+}