diff --git a/packages/kit/src/runtime/client/start.js b/packages/kit/src/runtime/client/start.js
index 57f4d65c2cfb..38adfb73b089 100644
--- a/packages/kit/src/runtime/client/start.js
+++ b/packages/kit/src/runtime/client/start.js
@@ -50,7 +50,12 @@ export async function start({ paths, target, session, route, spa, trailing_slash
 	init({ router, renderer });
 	set_paths(paths);
 
-	if (hydrate) await renderer.start(hydrate);
+	// hydrate.url should include search
+	if (hydrate) {
+		hydrate.url.search = location.search;
+		await renderer.start(hydrate);
+	}
+
 	if (router) {
 		if (spa) router.goto(location.href, { replaceState: true }, []);
 		router.init_listeners();