diff --git a/htdocs/projet/tasks/list.php b/htdocs/projet/tasks/list.php
index 7d995965294..fa0507ca190 100644
--- a/htdocs/projet/tasks/list.php
+++ b/htdocs/projet/tasks/list.php
@@ -58,6 +58,7 @@ $search_task_label = GETPOST('search_task_label');
 $search_task_description = GETPOST('search_task_description');
 $search_project_user = GETPOST('search_project_user');
 $search_task_user = GETPOST('search_task_user');
+$search_societe = GETPOST('search_societe');
 
 $mine = $_REQUEST['mode'] == 'mine' ? 1 : 0;
 if ($mine) { $search_task_user = $user->id; $mine = 0; }