diff --git a/node-fetch/index.d.ts b/node-fetch/index.d.ts
index d6b075107e..733e25639e 100644
--- a/node-fetch/index.d.ts
+++ b/node-fetch/index.d.ts
@@ -3,6 +3,8 @@
 // Definitions by: Torsten Werner <https://github.com/torstenwerner>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
+///<reference types="node" />
+
 export class Request extends Body {
 	constructor(input: string | Request, init?: RequestInit);
 	method: string;
@@ -53,12 +55,12 @@ export class Headers {
 
 export class Body {
 	bodyUsed: boolean;
+	body: NodeJS.ReadableStream;
 	arrayBuffer(): Promise<ArrayBuffer>;
-	blob(): Promise<Blob>;
-	formData(): Promise<FormData>;
 	json(): Promise<any>;
 	json<T>(): Promise<T>;
 	text(): Promise<string>;
+	buffer(): Promise<Buffer>;
 }
 
 export class Response extends Body {
@@ -83,7 +85,7 @@ interface ResponseInit {
 }
 
 type HeaderInit = Headers | Array<string>;
-type BodyInit = ArrayBuffer | ArrayBufferView | Blob | FormData | string;
+type BodyInit = ArrayBuffer | ArrayBufferView | string | NodeJS.ReadableStream;
 type RequestInfo = Request | string;
 
 export default function fetch(url: string | Request, init?: RequestInit): Promise<Response>;
diff --git a/node-fetch/node-fetch-tests.ts b/node-fetch/node-fetch-tests.ts
index 52ebce4999..e72b3db8e2 100644
--- a/node-fetch/node-fetch-tests.ts
+++ b/node-fetch/node-fetch-tests.ts
@@ -1,4 +1,4 @@
-import fetch, { Headers, Request, RequestInit, Response } from 'node-fetch';
+import fetch, { Headers, Request, RequestInit, Response } from 'node-fetch';
 
 function test_fetchUrlWithOptions() {
 	var headers = new Headers();
diff --git a/node-fetch/tsconfig.json b/node-fetch/tsconfig.json
index 0095190246..0a48b2f5ca 100644
--- a/node-fetch/tsconfig.json
+++ b/node-fetch/tsconfig.json
@@ -10,10 +10,11 @@
         ],
         "types": [],
         "noEmit": true,
-        "forceConsistentCasingInFileNames": true
+        "forceConsistentCasingInFileNames": true,
+        "lib": ["es5", "es6"]
     },
     "files": [
         "index.d.ts",
         "node-fetch-tests.ts"
     ]
-}
\ No newline at end of file
+}