diff --git a/htdocs/comm/mailing/card.php b/htdocs/comm/mailing/card.php
index ce260a44a35..42bac2af7e5 100644
--- a/htdocs/comm/mailing/card.php
+++ b/htdocs/comm/mailing/card.php
@@ -2,6 +2,7 @@
 /* Copyright (C) 2004		Rodolphe Quiedeville	<rodolphe@quiedeville.org>
  * Copyright (C) 2005-2019	Laurent Destailleur		<eldy@uers.sourceforge.net>
  * Copyright (C) 2005-2016	Regis Houssin			<regis.houssin@inodbox.com>
+ * Copyright (C) 2021		Waël Almoman            <info@almoman.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -244,6 +245,9 @@ if (empty($reshook)) {
 								$substitutionarray['__SECUREKEYPAYMENT_CONTRACTLINE__'] = dol_hash($conf->global->PAYMENT_SECURITY_TOKEN.'contractline'.$obj->source_id, 2);
 							}
 						}
+						if (!empty($conf->global->MEMBER_ENABLE_PUBLIC)) {
+							$substitutionarray['__PUBLICLINK_NEWMEMBERFORM__'] = '<a target="_blank" href="'.DOL_MAIN_URL_ROOT.'/public/members/new.php'.((!empty($conf->multicompany->enabled)) ? '?entity='.$conf->entity : '').'">'.$langs->trans('BlankSubscriptionForm'). '</a>';
+						}
 						/* For backward compatibility, deprecated */
 						if (!empty($conf->paypal->enabled) && !empty($conf->global->PAYPAL_SECURITY_TOKEN)) {
 							$substitutionarray['__SECUREKEYPAYPAL__'] = dol_hash($conf->global->PAYPAL_SECURITY_TOKEN, 2);
diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index 96f6ee0a741..a9da488907d 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -1633,6 +1633,9 @@ class FormMail extends Form
 				$vars['__SECUREKEYPAYMENT_CONTRACTLINE__']='';
 				*/
 			}
+			if (!empty($conf->global->MEMBER_ENABLE_PUBLIC)) {
+				$substitutionarray['__PUBLICLINK_NEWMEMBERFORM__'] = 'BlankSubscriptionForm';
+			}
 		}
 
 		foreach ($tmparray as $key => $val) {