diff --git a/compat/client.d.ts b/compat/client.d.ts
index cdf7ee241e..e1beab9071 100644
--- a/compat/client.d.ts
+++ b/compat/client.d.ts
@@ -10,4 +10,4 @@ export function createRoot(container: preact.ContainerNode): {
 export function hydrateRoot(
 	container: preact.ContainerNode,
 	children: preact.ComponentChild
-): typeof createRoot;
+): ReturnType<typeof createRoot>;