diff --git a/restify/index.d.ts b/restify/index.d.ts
index 3888d58481..8a85283d93 100644
--- a/restify/index.d.ts
+++ b/restify/index.d.ts
@@ -462,6 +462,7 @@ interface ServerOptions {
     handleUpgrades?: boolean;
     router?: Router;
     httpsServerOptions?: any;
+	socketio?: boolean;
 }
 
 interface ClientOptions {
diff --git a/restify/restify-tests.ts b/restify/restify-tests.ts
index 147171ae29..aa5c7f0e91 100644
--- a/restify/restify-tests.ts
+++ b/restify/restify-tests.ts
@@ -27,7 +27,8 @@ server = restify.createServer({
     spdy: {},
     version: "",
     responseTimeHeader: "",
-    responseTimeFormatter : (durationInMilliseconds: number) => {}
+    responseTimeFormatter : (durationInMilliseconds: number) => {},
+	socketio: false
 });
 
 server.pre(restify.pre.sanitizePath());