diff --git a/test/test-postcss.js b/test/test-postcss.js
index 59b5764..a6563a8 100644
--- a/test/test-postcss.js
+++ b/test/test-postcss.js
@@ -20,14 +20,14 @@ const read = path => new Promise((resolve, reject) => {
 test('post-load-pliguns default config for postcss from package.json', async t => {
 	t.is(
 		'.test{display:-ms-flexbox;display:flex;color:red}',
-		(await postcss(postLoadPlugins()).process('.test { display: flex; color: #ff0000;} @charset "utf-8";')).css
+		(await postcss(postLoadPlugins()).process('.test { display: flex; color: #ff0000;} @charset "utf-8";', {map: false})).css
 	);
 });
 
 test('post-load-pliguns default config for postcss-cli from package.json', async t => {
 	t.plan(2);
 	const filename = tempfile('.css');
-	await execa('postcss', ['-u', path.resolve('../lib/index.js'), '-o', filename, 'fixtures/input-for-cli.css']);
+	await execa('postcss', ['-u', path.resolve('../lib/index.js'), '-o', filename, 'fixtures/input-for-cli.css', '--no-map']);
 	const fix = await read('expected/output-for-cli.css');
 	const exp = await read(filename);
 	t.true(existsSync(filename));