diff --git a/plt/generatePHPTriggerCode.inc.php b/plt/generatePHPTriggerCode.inc.php
index 8f38142..e25e596 100644
--- a/plt/generatePHPTriggerCode.inc.php
+++ b/plt/generatePHPTriggerCode.inc.php
@@ -31,7 +31,7 @@ $constants
 $supportFunctions
 
 // Include system-level support file
-require_once 'sys.php';
+require_once 'sys/sys.php';
 
 // Include composer packages
 require 'vendor/autoload.php';