diff --git a/node/node-0.11.d.ts b/node/node-0.11.d.ts
index cd55bdfb1..a6aa3c970 100644
--- a/node/node-0.11.d.ts
+++ b/node/node-0.11.d.ts
@@ -1094,7 +1094,7 @@ declare module "crypto" {
         sign(private_key: string, output_format: string): string;
     }
     export function createVerify(algorith: string): Verify;
-    interface Verify {
+    interface Verify extends NodeJS.WritableStream {
         update(data: any): void;
         verify(object: string, signature: string, signature_format?: string): boolean;
     }