diff --git a/lib/net.js b/lib/net.js
index 94b4e2a86cbed0..09e34f75bd01f2 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -1078,7 +1078,7 @@ function Server(options, connectionListener) {
     options = {};
     this.on('connection', connectionListener);
   } else if (options == null || typeof options === 'object') {
-    options = options || {};
+    options = { ...options };
 
     if (typeof connectionListener === 'function') {
       this.on('connection', connectionListener);