diff --git a/packages/next/server/web/spec-extension/response.ts b/packages/next/server/web/spec-extension/response.ts
index c34ba8a1df566ed..a440d48798c60e0 100644
--- a/packages/next/server/web/spec-extension/response.ts
+++ b/packages/next/server/web/spec-extension/response.ts
@@ -67,10 +67,10 @@ export class NextResponse extends Response {
     return this.cookie(name, '', { expires: new Date(1), path: '/', ...opts })
   }
 
-  static json(body: any) {
+  static json(body: any, init?: ResponseInit) {
     return new NextResponse(JSON.stringify(body), {
       headers: { 'content-type': 'application/json' },
-    })
+    }, init)
   }
 
   static redirect(url: string | NextURL | URL, status = 307) {