diff --git a/types/feathersjs__socketio/feathersjs__socketio-tests.ts b/types/feathersjs__socketio/feathersjs__socketio-tests.ts
index 2e99e19f23..e40ec10897 100644
--- a/types/feathersjs__socketio/feathersjs__socketio-tests.ts
+++ b/types/feathersjs__socketio/feathersjs__socketio-tests.ts
@@ -1,5 +1,5 @@
 import feathers, { Application } from '@feathersjs/feathers';
-import feathersSocketIO from '@feathersjs/socketio';
+import feathersSocketIO, { SOCKET_KEY } from '@feathersjs/socketio';
 
 const app: Application = feathers();
 
@@ -8,3 +8,5 @@ app.configure(feathersSocketIO(io => {}));
 app.configure(feathersSocketIO({}, io => {}));
 app.configure(feathersSocketIO(1337, io => {}));
 app.configure(feathersSocketIO(1337, {}, io => {}));
+
+const key = SOCKET_KEY;
diff --git a/types/feathersjs__socketio/index.d.ts b/types/feathersjs__socketio/index.d.ts
index 94d926911e..67fca942ad 100644
--- a/types/feathersjs__socketio/index.d.ts
+++ b/types/feathersjs__socketio/index.d.ts
@@ -1,12 +1,19 @@
 // Type definitions for @feathersjs/socketio 3.0
 // Project: https://feathersjs.com
 // Definitions by: Jan Lohage <https://github.com/j2L4e>
+//                 Desmond Koh <https://github.com/deskoh>
 // Definitions: https://github.com/feathersjs-ecosystem/feathers-typescript
 // TypeScript Version: 2.8
 
-/// <reference types="feathersjs__socket-commons"/>
-import SocketIO = require("socket.io");
+import * as io from 'socket.io';
 
-export default function feathersSocketIO(callback?: (io: SocketIO.Server) => void): () => void;
-export default function feathersSocketIO(options: number | SocketIO.ServerOptions, callback?: (io: SocketIO.Server) => void): () => void;
-export default function feathersSocketIO(port: number, options?: SocketIO.ServerOptions, callback?: (io: SocketIO.Server) => void): () => void;
+declare const socketio: FeathersSocketIO;
+export = socketio;
+
+interface FeathersSocketIO {
+  (callback?: (io: io.Server) => void): () => void;
+  (options: number | io.ServerOptions, callback?: (io: io.Server) => void): () => void;
+  (port: number, options?: io.ServerOptions, callback?: (io: io.Server) => void): () => void;
+  readonly SOCKET_KEY: unique symbol;
+  default: FeathersSocketIO;
+}