diff --git a/packages/next/src/shared/lib/utils.ts b/packages/next/src/shared/lib/utils.ts
index d5b36412bc36..c215300c6ea8 100644
--- a/packages/next/src/shared/lib/utils.ts
+++ b/packages/next/src/shared/lib/utils.ts
@@ -167,8 +167,8 @@ export type AppContextType<Router extends NextRouter = NextRouter> = {
   router: Router
 }
 
-export type AppInitialProps<PageProps = any> = {
-  pageProps: PageProps
+export type AppInitialProps<PageProps = any> = PageProps & {
+  pageProps: any
 }
 
 export type AppPropsType<