diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index 802416f1626..163581221a8 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -2579,7 +2579,7 @@ if ($action == 'create') {
 				}
 
 				// Create an invoice and classify billed
-				if ($object->statut == Propal::STATUS_SIGNED) {
+				if ($object->statut == Propal::STATUS_SIGNED && empty($conf->global->PROPOSAL_ARE_NOT_BILLABLE)) {
 					if (!empty($conf->facture->enabled) && $usercancreateinvoice) {
 						print '<a class="butAction" href="'.DOL_URL_ROOT.'/compta/facture/card.php?action=create&amp;origin='.$object->element.'&amp;originid='.$object->id.'&amp;socid='.$object->socid.'">'.$langs->trans("AddBill").'</a>';
 					}