diff --git a/test/stream.js b/test/stream.js
index 80c73d5a6b..98ea93cba6 100644
--- a/test/stream.js
+++ b/test/stream.js
@@ -171,6 +171,11 @@ test('input option can be a String', async t => {
 	t.is(stdout, 'foobar');
 });
 
+test('input option can be a Uint8Array', async t => {
+	const {stdout} = await execa('stdin.js', {input: Uint8Array.from('foo', c => c.codePointAt(0))});
+	t.is(stdout, 'foo');
+});
+
 test('input option can be a Buffer', async t => {
 	const {stdout} = await execa('stdin.js', {input: Buffer.from('testing12')});
 	t.is(stdout, 'testing12');
@@ -226,6 +231,11 @@ test('input option can be used with $.sync', t => {
 	t.is(stdout, 'foobar');
 });
 
+test('input option can be a Uint8Array - sync', t => {
+	const {stdout} = execaSync('stdin.js', {input: Uint8Array.from('foo', c => c.codePointAt(0))});
+	t.is(stdout, 'foo');
+});
+
 test('input option can be a Buffer - sync', t => {
 	const {stdout} = execaSync('stdin.js', {input: Buffer.from('testing12', 'utf8')});
 	t.is(stdout, 'testing12');