diff --git a/src/client/app/router.ts b/src/client/app/router.ts
index d91eebd7..c82bb66c 100644
--- a/src/client/app/router.ts
+++ b/src/client/app/router.ts
@@ -34,7 +34,7 @@ interface PageModule {
 }
 
 export function createRouter(
-  loadPageModule: (path: string) => PageModule | Promise<PageModule>,
+  loadPageModule: (path: string) => Promise<PageModule>,
   fallbackComponent?: Component
 ): Router {
   const route = reactive(getDefaultRoute())