diff --git a/lib/__tests__/standalone-parseErrors.test.js b/lib/__tests__/standalone-parseErrors.test.js
index c2f1e92775..58313300dc 100644
--- a/lib/__tests__/standalone-parseErrors.test.js
+++ b/lib/__tests__/standalone-parseErrors.test.js
@@ -3,6 +3,7 @@
 const blockNoEmpty = require('../rules/block-no-empty');
 const configBlockNoEmpty = require('./fixtures/config-block-no-empty');
 const path = require('path');
+const replaceBackslashes = require('./replaceBackslashes');
 const standalone = require('../standalone');
 
 jest.mock('../rules/block-no-empty');
@@ -29,7 +30,7 @@ test('standalone with deprecations', async () => {
 
 test('file with correct syntax reported correctly', async () => {
 	const data = await standalone({
-		files: path.join(__dirname, 'fixtures/broken-syntax/correct-syntax.css'),
+		files: replaceBackslashes(path.join(__dirname, 'fixtures/broken-syntax/correct-syntax.css')),
 	});
 
 	expect(data.results[0]).toMatchObject({
@@ -41,7 +42,7 @@ test('file with correct syntax reported correctly', async () => {
 
 test('file with invalid syntax reported correctly', async () => {
 	const data = await standalone({
-		files: [path.join(__dirname, 'fixtures/broken-syntax/broken-syntax.css')],
+		files: [replaceBackslashes(path.join(__dirname, 'fixtures/broken-syntax/broken-syntax.css'))],
 	});
 
 	expect(data.results[0]).toMatchObject({