diff --git a/editor/frontend/index.html b/editor/frontend/index.html
index b7dc2aa..db97bb8 100644
--- a/editor/frontend/index.html
+++ b/editor/frontend/index.html
@@ -26,7 +26,7 @@
   <meta property="twitter:title" content="Cloudflare error page editor" />
   <meta property="twitter:description" content="Online editor to create customized Cloudflare-styled error pages" />
 
-  <meta name="viewport" content="width=device-width,initial-scale=1" />
+  <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1" />
 
   <link href="https://virt.moe/assets/cloudflare-error-page/bootstrap.min.css" rel="stylesheet">