diff --git a/src/ipad.ts b/src/ipad.ts
index 4fe8e30..8d35c9e 100644
--- a/src/ipad.ts
+++ b/src/ipad.ts
@@ -40,7 +40,10 @@ function refresh() {
   spinner.style.display = '';
 
   const url = new URL('/ipad.png', window.location.href);
-  url.searchParams.set('viewport', `${window.innerWidth}x${window.innerHeight}x${window.devicePixelRatio}`);
+  url.searchParams.set(
+    'viewport',
+    `${window.innerWidth}x${window.innerHeight}x${window.devicePixelRatio}`
+  );
 
   const urlParams = new URLSearchParams(window.location.search);
   if (urlParams.has('tool')) {