diff --git a/htdocs/admin/security.php b/htdocs/admin/security.php
index f72469c9414..97eb4d8a5a6 100644
--- a/htdocs/admin/security.php
+++ b/htdocs/admin/security.php
@@ -159,7 +159,7 @@ print '</form>';
 print '<br>';
 
 // Bon de livraison activation/desactivation
-$var=!$var;
+$var=false;
 print "<form method=\"post\" action=\"security.php\">";
 print '<table class="noborder" width="100%">';
 print '<tr class="liste_titre">';