diff --git a/src/docsearch.tsx b/src/docsearch.tsx
index 24f97ea0..f0c0baa4 100644
--- a/src/docsearch.tsx
+++ b/src/docsearch.tsx
@@ -1,4 +1,8 @@
-import { DocSearch, DocSearchProps, version } from '@docsearch/react';
+import {
+  DocSearch,
+  DocSearchProps as DocSearchComponentProps,
+  version,
+} from '@docsearch/react';
 import React, { render } from 'preact/compat';
 
 function getHTMLElement(
@@ -12,6 +16,11 @@ function getHTMLElement(
   return value;
 }
 
+interface DocSearchProps extends DocSearchComponentProps {
+  container: string | HTMLElement;
+  environment?: typeof window;
+}
+
 export function docsearch(props: DocSearchProps) {
   render(
     <DocSearch