diff --git a/htdocs/fourn/facture/card.php b/htdocs/fourn/facture/card.php
index 0bede5a6b4d37..fc5b6a8c93387 100644
--- a/htdocs/fourn/facture/card.php
+++ b/htdocs/fourn/facture/card.php
@@ -3584,9 +3584,9 @@ function setRadioForTypeOfInvoice() {
 			// Show link for "recalculate"
 			if ($object->getVentilExportCompta() == 0) {
 				$s = '<span class="hideonsmartphone opacitymedium">' . $langs->trans("ReCalculate") . ' </span>';
-				$s .= '<a href="' . $_SERVER["PHP_SELF"] . '?id=' . $object->id . '&action=calculate&calculationrule=totalofround">' . $langs->trans("Mode1") . '</a>';
+				$s .= '<a href="' . $_SERVER["PHP_SELF"] . '?id=' . $object->id . '&action=calculate&token='.newToken().'&calculationrule=totalofround">' . $langs->trans("Mode1") . '</a>';
 				$s .= ' / ';
-				$s .= '<a href="' . $_SERVER["PHP_SELF"] . '?id=' . $object->id . '&action=calculate&calculationrule=roundoftotal">' . $langs->trans("Mode2") . '</a>';
+				$s .= '<a href="' . $_SERVER["PHP_SELF"] . '?id=' . $object->id . '&action=calculate&token='.newToken().'&calculationrule=roundoftotal">' . $langs->trans("Mode2") . '</a>';
 				print '<div class="inline-block">';
 				print $form->textwithtooltip($s, $langs->trans("CalculationRuleDesc", $calculationrulenum) . '<br>' . $langs->trans("CalculationRuleDescSupplier"), 2, 1, img_picto('', 'help'), '', 3, '', 0, 'recalculate');
 				print '&nbsp; &nbsp; &nbsp; &nbsp;';