diff --git a/htdocs/projet/pre.inc.php b/htdocs/projet/pre.inc.php
index f3b8d703ae3..e3929d691cf 100644
--- a/htdocs/projet/pre.inc.php
+++ b/htdocs/projet/pre.inc.php
@@ -35,6 +35,8 @@ $langs->load("projects");
 $langs->load("companies");
 $langs->load("bills");
 $langs->load("orders");
+$langs->load("commercial");
+
 
 $user->getrights('projet');