diff --git a/beta/src/components/Layout/Page.tsx b/beta/src/components/Layout/Page.tsx
index 777a711fa..e26fb04ad 100644
--- a/beta/src/components/Layout/Page.tsx
+++ b/beta/src/components/Layout/Page.tsx
@@ -14,6 +14,9 @@ interface PageProps {
   routeTree: RouteItem;
 }
 
+// Preload.
+import('../MDX/Sandpack/SandpackRoot');
+
 export function Page({routeTree, children}: PageProps) {
   return (
     <>