diff --git a/lib/net.js b/lib/net.js
index 97e45f857c4142..1ed2e86aa2cfb8 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -1060,8 +1060,7 @@ var createServerHandle = exports._createServerHandle =
     handle.open(fd);
     handle.readable = true;
     handle.writable = true;
-    return handle;
-
+    assert(!address && !port);
   } else if (port === -1 && addressType === -1) {
     handle = createPipe();
     if (process.platform === 'win32') {