diff --git a/conf/config.inc.php b/conf/config.inc.php
index 96c3500e6..6d24e46a1 100644
--- a/conf/config.inc.php
+++ b/conf/config.inc.php
@@ -508,7 +508,7 @@
 
 # Smarty
 if (!defined("SMARTY")) {
-    define("SMARTY", "/usr/share/php/smarty3/Smarty.class.php");
+    define("SMARTY", "/usr/share/php/smarty4/Smarty.class.php");
 }
 
 # Set preset login from HTTP header $header_name_preset_login