diff --git a/radius/radius-tests.ts b/radius/radius-tests.ts
index 5d06d2fcb..2ce4d2c0d 100644
--- a/radius/radius-tests.ts
+++ b/radius/radius-tests.ts
@@ -1,11 +1,12 @@
 /// <reference path="radius.d.ts" />
+/// <reference path="../node/node.d.ts" />
 
 import radius = require('radius');
 
 var radius_secret: string = "shhhh"
 
 radius.add_dictionary("./");
-var encodedPacket: NodeBuffer = radius.encode({
+var encodedPacket: Buffer = radius.encode({
     code: "Access-Request",
     secret: radius_secret,
     attributes: {
@@ -20,7 +21,7 @@ var radiusPacket: radius.RadiusPacket = radius.decode({
     secret: radius_secret
 });
 
-var response: NodeBuffer;
+var response: Buffer;
 
 if (radiusPacket.attributes["User-Name"] == "me" && radiusPacket.attributes["User-Password"] == "its-a-secret") {
     response = radius.encode_response({
diff --git a/radius/radius.d.ts b/radius/radius.d.ts
index b1079fafd..346b7b487 100644
--- a/radius/radius.d.ts
+++ b/radius/radius.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Peter Harris <https://github.com/codeanimal>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
-interface NodeBuffer { }
+/// <reference path="../node/node.d.ts" />
 
 declare module "radius" {
     /**
@@ -19,12 +19,12 @@ declare module "radius" {
     /**
      * {@link https://github.com/retailnext/node-radius#radiusencodeargs} for more info.
      **/
-    export function encode(args: EncodeArgs): NodeBuffer;
+    export function encode(args: EncodeArgs): Buffer;
 
     /**
      * {@link https://github.com/retailnext/node-radius#radiusencode_responseargs} for more info.
      **/
-    export function encode_response(args: EncodeResponseArgs): NodeBuffer;
+    export function encode_response(args: EncodeResponseArgs): Buffer;
 
     /**
      * {@link https://github.com/retailnext/node-radius#radiusverify_responseargs} for more info.
@@ -49,7 +49,7 @@ declare module "radius" {
      * {@link https://github.com/retailnext/node-radius#radiusdecode_without_secretargs} for more info.
      **/
     interface DecodeArgs {
-        packet: NodeBuffer;
+        packet: Buffer;
     }
 
     /**
@@ -91,8 +91,8 @@ declare module "radius" {
      * {@link https://github.com/retailnext/node-radius#radiusverify_responseargs} for more info.
      **/
     interface VerifyResponseArgs {
-        request: NodeBuffer;
-        response: NodeBuffer;
+        request: Buffer;
+        response: Buffer;
         secret: string;
     }