diff --git a/lib/SimpleSAML/Utils/Crypto.php b/lib/SimpleSAML/Utils/Crypto.php
index da017b91a9292655ec21b35323f969b87395f5a1..2ca47b6587da28d30dce52e5be5235da276af583 100644
--- a/lib/SimpleSAML/Utils/Crypto.php
+++ b/lib/SimpleSAML/Utils/Crypto.php
@@ -1,4 +1,5 @@
-<?
+<?php
+
 /**
  * A class for crypto related functions
  *