diff --git a/usr/local/www/system_advanced_notifications.php b/usr/local/www/system_advanced_notifications.php
index c9917ce627..1905a515a6 100644
--- a/usr/local/www/system_advanced_notifications.php
+++ b/usr/local/www/system_advanced_notifications.php
@@ -38,7 +38,7 @@
 ##|-PRIV
 
 require("guiconfig.inc");
-require("notices.inc");
+require_once("notices.inc");
 
 // Growl
 if($config['notifications']['growl']['password'])