diff --git a/packages/socketio/lib/index.js b/packages/socketio/lib/index.js
index 912d8a68c4..03177e19d0 100644
--- a/packages/socketio/lib/index.js
+++ b/packages/socketio/lib/index.js
@@ -6,7 +6,7 @@ const debug = require('debug')('@feathersjs/socketio');
 
 const socketKey = Symbol('@feathersjs/socketio/socket');
 
-module.exports = function (port, options, config) {
+function configureSocketio (port, options, config) {
   if (typeof port !== 'number') {
     config = options;
     options = port;
@@ -99,6 +99,8 @@ module.exports = function (port, options, config) {
       emit: 'emit'
     }));
   };
-};
+}
 
+module.exports = configureSocketio;
+module.exports.default = configureSocketio;
 module.exports.SOCKET_KEY = socketKey;
diff --git a/packages/socketio/test/index.test.js b/packages/socketio/test/index.test.js
index 7e08011920..77a4af24dc 100644
--- a/packages/socketio/test/index.test.js
+++ b/packages/socketio/test/index.test.js
@@ -74,6 +74,11 @@ describe('@feathersjs/socketio', () => {
     server.close(done);
   });
 
+  it('exports default and SOCKET_KEY', () => {
+    assert.ok(socketio.SOCKET_KEY);
+    assert.equal(socketio, socketio.default);
+  });
+
   it('throws an error when using an incompatible version of Feathers', () => {
     const oldFeathers = require('feathers');