diff --git a/lib/internal/process/warning.js b/lib/internal/process/warning.js
index 698e73d97f1..9416f15383b 100644
--- a/lib/internal/process/warning.js
+++ b/lib/internal/process/warning.js
@@ -29,7 +29,9 @@ function writeOut(message) {
 function onClose(fd) {
   return () => {
     if (fs === null) fs = require('fs');
-    fs.close(fd, nop);
+    try {
+      fs.closeSync(fd);
+    } catch {}
   };
 }