diff --git a/htdocs/product/critiques/pre.inc.php b/htdocs/product/critiques/pre.inc.php
index da2c959b135..87c32284064 100644
--- a/htdocs/product/critiques/pre.inc.php
+++ b/htdocs/product/critiques/pre.inc.php
@@ -20,6 +20,7 @@
  *
  */
 require("../../main.inc.php3");
+require("./critique.class.php");
 
 function llxHeader($head = "", $urlp = "") {
   global $user, $conf;