diff --git a/tests/lib/SimpleSAML/Utils/CryptoTest.php b/tests/lib/SimpleSAML/Utils/CryptoTest.php
index 95887beba6bfa350dcf54af7244223dd832cba22..ee5e011485b65e94cf23649e52dfb5667d078b38 100644
--- a/tests/lib/SimpleSAML/Utils/CryptoTest.php
+++ b/tests/lib/SimpleSAML/Utils/CryptoTest.php
@@ -391,13 +391,13 @@ PHP;
     {
         $filename = $this->certdir . DIRECTORY_SEPARATOR . 'key';
         $data = 'data';
-        $config = new Configuration(['privatekey' => $filename, 'privatekey_pass' => null], 'test');
+        $config = new Configuration(['privatekey' => $filename], 'test');
         $full_path = true;
 
         file_put_contents($filename, $data);
 
         $res = Crypto::loadPrivateKey($config, false, '', $full_path);
-        $expected = ['PEM' => $data];
+        $expected = ['PEM' => $data, 'password' => null];
 
         $this->assertEquals($expected, $res);
     }