diff --git a/index.php b/index.php
index fcbe41a..2884bc1 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,6 @@
 <?php
 
-define('REQUEST_REGEX', '/^\/(?<supplier>[^\/]+)\/?(?<event>[^\/]+)\/?$/');
+define('REQUEST_REGEX', '/^\/(?<supplier>[^\/]+)\/?(?<event>[^\/]+)?\/?$/');
 define('SUPPLIER_REGEX', '/^[A-Za-z]\w{0,31}$/');
 define('EVENT_REGEX', '/^\d{4}\-[01]\d\-[0123]\d$/');
 define('ACTION_REGEX', '/^[a-z]{1,16}$/i');