diff --git a/public/index.php b/public/index.php
index 673b7b0c..2c296c50 100644
--- a/public/index.php
+++ b/public/index.php
@@ -32,6 +32,7 @@
 // Load the configuration class.
 // --------------------------------------------------------------
 require SYS_PATH.'config'.EXT;
+require SYS_PATH.'arr'.EXT;
 
 // --------------------------------------------------------------
 // Register the auto-loader.