diff --git a/system-test/storage.ts b/system-test/storage.ts
index c58328d2dd..8251ab6102 100644
--- a/system-test/storage.ts
+++ b/system-test/storage.ts
@@ -1042,7 +1042,7 @@ describe('storage', () => {
 
       it('should preserve file ACL', async () => {
         const file = bucket.file(`file-${uuid.v4()}`);
-        await file.save('data');
+        await file.save('data', {resumable: false});
 
         await file.acl.update(customAcl);
         const [aclBefore] = await file.acl.get();