diff --git a/index.js b/index.js
index 6fc8e9d..6dbdfcf 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,6 @@
 import { readFileSync } from 'node:fs'
 import { readFile } from 'node:fs/promises'
+import { fileURLToPath } from 'node:url'
 import Ajv04 from 'ajv-draft-04'
 import addFormats from 'ajv-formats'
 import Ajv2020 from 'ajv/dist/2020.js'
@@ -14,7 +15,7 @@ const ajvVersions = {
 const inlinedRefs = 'x-inlined-refs'
 
 function localFile (file) {
-  return new URL(file, import.meta.url).pathname
+  return fileURLToPath(new URL(file, import.meta.url))
 }
 
 function importJSON (file) {
diff --git a/test/check-versions.js b/test/check-versions.js
index 032fb9d..dfd50f8 100644
--- a/test/check-versions.js
+++ b/test/check-versions.js
@@ -1,6 +1,7 @@
 import { strict as assert } from 'node:assert/strict'
 import { createHash } from 'node:crypto'
 import { readFileSync } from 'node:fs'
+import { fileURLToPath } from 'node:url'
 import { readdir } from 'node:fs/promises'
 import { test } from 'node:test'
 import { Validator } from '../index.js'
@@ -8,8 +9,8 @@ import { Snapshot } from './snapshot.js'
 
 const supportedVersions = Validator.supportedVersions
 
-function localPath (path) {
-  return new URL(path, import.meta.url).pathname
+function localPath (fileName) {
+  return fileURLToPath(new URL(fileName, import.meta.url))
 }
 
 const snapShotFile = localPath('snapshots-check-versions.json')
diff --git a/test/validation-refs.test.js b/test/validation-refs.test.js
index 4e9a82a..d294170 100644
--- a/test/validation-refs.test.js
+++ b/test/validation-refs.test.js
@@ -1,13 +1,14 @@
 import { strict as assert } from 'node:assert/strict'
 import { test } from 'node:test'
+import { fileURLToPath } from 'node:url'
 import { Validator } from '../index.js'
 
-function localFile (file) {
-  return new URL(file, import.meta.url).pathname
+function localPath (fileName) {
+  return fileURLToPath(new URL(fileName, import.meta.url))
 }
 
-const invalidRefsSpec = localFile('./validation/invalid-refs.yaml')
-const recursiveRefsSpec = localFile('./validation/openapi-recursive.v3.json')
+const invalidRefsSpec = localPath('./validation/invalid-refs.yaml')
+const recursiveRefsSpec = localPath('./validation/openapi-recursive.v3.json')
 
 test('invalid refs in YAML fail validation', async (t) => {
   const validator = new Validator()
diff --git a/test/validation.test.js b/test/validation.test.js
index a4f2478..e70c14b 100644
--- a/test/validation.test.js
+++ b/test/validation.test.js
@@ -1,11 +1,12 @@
 import { strict as assert } from 'node:assert/strict'
 import { readFileSync } from 'node:fs'
+import { fileURLToPath } from 'node:url'
 import { readFile } from 'node:fs/promises'
 import { test } from 'node:test'
 import { Validator } from '../index.js'
 
-function localFile (file) {
-  return new URL(file, import.meta.url).pathname
+function localFile (path) {
+  return fileURLToPath(new URL(path, import.meta.url))
 }
 
 function importJSON (file) {