diff --git a/tests/integration/Mailer/MailerTest.php b/tests/integration/Mailer/MailerTest.php
index 6c5ebdd45f..50118caf6e 100644
--- a/tests/integration/Mailer/MailerTest.php
+++ b/tests/integration/Mailer/MailerTest.php
@@ -180,6 +180,7 @@ class MailerTest extends \MailPoetTest {
 
   function testItCanSend() {
     if (getenv('WP_TEST_MAILER_ENABLE_SENDING') !== 'true') return;
+    $this->sender['address'] = 'staff@mailpoet.com';
     $mailer = new Mailer($this->mailer, $this->sender, $this->reply_to);
     $result = $mailer->send($this->newsletter, $this->subscriber);
     expect($result['response'])->true();