diff --git a/node_modules/finalhandler/index.js b/node_modules/finalhandler/index.js
index 5673507..40f4684 100644
--- a/node_modules/finalhandler/index.js
+++ b/node_modules/finalhandler/index.js
@@ -125,7 +125,7 @@ function finalhandler (req, res, options) {
     // cannot actually respond
     if (headersSent(res)) {
       debug('cannot %d after headers sent', status)
-      req.socket.destroy()
+      if (req.socket) req.socket.destroy()
       return
     }