diff --git a/dist/w3c-html-validator.d.ts b/dist/w3c-html-validator.d.ts
index 84ec4cc..7fca5c3 100644
--- a/dist/w3c-html-validator.d.ts
+++ b/dist/w3c-html-validator.d.ts
@@ -1,4 +1,4 @@
-//! w3c-html-validator v1.6.3 ~~ https://github.com/center-key/w3c-html-validator ~~ MIT License
+//! w3c-html-validator v1.6.4 ~~ https://github.com/center-key/w3c-html-validator ~~ MIT License
 
 export type ValidatorSettings = {
     html: string;
diff --git a/dist/w3c-html-validator.js b/dist/w3c-html-validator.js
index 47e5718..a0bbcc3 100644
--- a/dist/w3c-html-validator.js
+++ b/dist/w3c-html-validator.js
@@ -1,4 +1,4 @@
-//! w3c-html-validator v1.6.3 ~~ https://github.com/center-key/w3c-html-validator ~~ MIT License
+//! w3c-html-validator v1.6.4 ~~ https://github.com/center-key/w3c-html-validator ~~ MIT License
 
 import chalk from 'chalk';
 import fs from 'fs';
@@ -6,7 +6,7 @@ import log from 'fancy-log';
 import request from 'superagent';
 import slash from 'slash';
 const w3cHtmlValidator = {
-    version: '1.6.3',
+    version: '1.6.4',
     validate(options) {
         const defaults = {
             checkUrl: 'https://validator.w3.org/nu/',
@@ -65,8 +65,9 @@ const w3cHtmlValidator = {
             const response = reason.response;
             const getMsg = () => [response.status, response.res.statusMessage, response.request.url];
             const message = response ? getMsg() : [reason.errno, reason.message];
-            response.body = { messages: [{ type: 'network-error', message: message.join(' ') }] };
-            return toValidatorResults(response);
+            const errRes = response ?? {};
+            errRes.body = { messages: [{ type: 'network-error', message: message.join(' ') }] };
+            return toValidatorResults(errRes);
         };
         return w3cRequest.then(filterMessages).then(toValidatorResults).catch(handleError);
     },
diff --git a/package.json b/package.json
index bbe0a32..d6b722c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
    "name": "w3c-html-validator",
-   "version": "1.6.3",
+   "version": "1.6.4",
    "description": "Check the markup validity of HTML files using the W3C validator",
    "license": "MIT",
    "type": "module",