diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 22f06f44c2f..ce58ef0379c 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -245,6 +245,10 @@ if (defined("MAIN_MODULE_STOCK"))
 {
   $conf->stock->enabled=MAIN_MODULE_STOCK;
 }
+if (defined("MAIN_MODULE_CONTRAT"))
+{
+  $conf->contrat->enabled=MAIN_MODULE_CONTRAT;
+}
 if (defined("MAIN_MODULE_BOUTIQUE"))
 {
   $conf->boutique->enabled=MAIN_MODULE_BOUTIQUE;