diff --git a/test/override-promise.js b/test/override-promise.js
index 4025c995b9..e89e845c2c 100644
--- a/test/override-promise.js
+++ b/test/override-promise.js
@@ -1,5 +1,9 @@
+import path from 'path';
 import test from 'ava';
 
+process.env.PATH = path.join(__dirname, 'fixtures') + path.delimiter + process.env.PATH;
+process.env.FOO = 'foo';
+
 // Can't use `test.before`, maybe because `ava` need `Promise`
 // Can't use `import('..')` too, unknown reason
 const nativePromise = Promise;
@@ -12,6 +16,6 @@ const execa = require('..');
 global.Promise = nativePromise;
 
 test('Should work with third party Promise', async t => {
-	const {stdout} = await execa('echo execa');
-	t.is(stdout, 'execa');
+	const {stdout} = await execa('noop', ['foo']);
+	t.is(stdout, 'foo');
 });