diff --git a/site/components.tsx b/site/components.tsx
index dbeeb7b0b..44f3b2da2 100644
--- a/site/components.tsx
+++ b/site/components.tsx
@@ -167,7 +167,9 @@ export const Menu = React.forwardRef(
 )
 
 export const Portal = ({ children }) => {
-  return ReactDOM.createPortal(children, document.body)
+  return typeof document === 'object'
+    ? ReactDOM.createPortal(children, document.body)
+    : null
 }
 
 export const Toolbar = React.forwardRef(