diff --git a/example5_clicktocall.php b/example5_clicktocall.php
index b9188dc..8016339 100644
--- a/example5_clicktocall.php
+++ b/example5_clicktocall.php
@@ -1,4 +1,4 @@
-<?
+<?php
 // DIY Click-To-Call using the 46elks platform
 
 function newCall ($call) {