diff --git a/htdocs/comm/mailing/card.php b/htdocs/comm/mailing/card.php
index 748c5fabf10..eb1b50cee1b 100644
--- a/htdocs/comm/mailing/card.php
+++ b/htdocs/comm/mailing/card.php
@@ -258,7 +258,7 @@ if (empty($reshook)) {
 							}
 						}
 						if (!empty($conf->global->MEMBER_ENABLE_PUBLIC)) {
-							$substitutionarray['__PUBLICLINK_NEWMEMBERFORM__'] = '<a target="_blank" rel="noopener noreferrer" href="'.DOL_MAIN_URL_ROOT.'/public/members/new.php'.((!empty($conf->multicompany->enabled)) ? '?entity='.$conf->entity : '').'">'.$langs->trans('BlankSubscriptionForm'). '</a>';
+							$substitutionarray['__PUBLICLINK_NEWMEMBERFORM__'] = '<a target="_blank" rel="noopener noreferrer" href="'.DOL_MAIN_URL_ROOT.'/public/members/new.php'.((isModEnabled('multicompany')) ? '?entity='.$conf->entity : '').'">'.$langs->trans('BlankSubscriptionForm'). '</a>';
 						}
 						/* For backward compatibility, deprecated */
 						if (!empty($conf->paypal->enabled) && !empty($conf->global->PAYPAL_SECURITY_TOKEN)) {