diff --git a/src/cli/htmlhint.ts b/src/cli/htmlhint.ts
index f7191a24b..ce8aa8ab1 100644
--- a/src/cli/htmlhint.ts
+++ b/src/cli/htmlhint.ts
@@ -6,7 +6,6 @@ import * as program from 'commander'
 import { existsSync, readFileSync, statSync } from 'fs'
 import * as glob from 'glob'
 import { IGlob } from 'glob'
-import { type as osType } from 'os'
 import * as parseGlob from 'parse-glob'
 import { dirname, resolve, sep } from 'path'
 import * as request from 'request'
@@ -20,8 +19,6 @@ const formatter: Formatter = require('./formatter')
 
 const pkg = require('../../package.json')
 
-const OS_TYPE = osType()
-
 function map(val: string) {
   const objMap: { [name: string]: string | true } = {}
   val.split(',').forEach((item) => {
@@ -450,8 +447,8 @@ function walkPath(
   walk.on('match', (file: string) => {
     base = base.replace(/^.\//, '')
 
-    if (OS_TYPE === 'Windows_NT') {
-      base = base.replace(/\//g, '\\')
+    if (sep !== '/') {
+      base = base.replace(/\//g, sep)
     }
 
     callback(base + file)