diff --git a/tests/lib/Mail/MailerTest.php b/tests/lib/Mail/MailerTest.php
index 91006a8331aba..75ff522763401 100644
--- a/tests/lib/Mail/MailerTest.php
+++ b/tests/lib/Mail/MailerTest.php
@@ -86,7 +86,7 @@ public function testGetSendmailInstanceSendMail($sendmailMode, $binaryParam) {
 				['mail_sendmailmode', 'smtp', $sendmailMode],
 			]);
 
-		$path = \OC_Helper::findBinaryPath('sendmail');
+		$path = \IBinaryFinder::findBinaryPath('sendmail');
 		if ($path === false) {
 			$path = '/usr/sbin/sendmail';
 		}