diff --git a/htdocs/margin/checkMargins.php b/htdocs/margin/checkMargins.php
index 337791238ce..d11b270551f 100644
--- a/htdocs/margin/checkMargins.php
+++ b/htdocs/margin/checkMargins.php
@@ -158,6 +158,7 @@ $head = marges_prepare_head($user);
 $picto = 'margin';
 
 print '<form method="post" name="sel" action="'.$_SERVER['PHP_SELF'].'">';
+print '<input type="hidden" name="token" value="'.newToken().'">';
 
 dol_fiche_head($head, $langs->trans('checkMargins'), $title, 0, $picto);