diff --git a/htdocs/core/modules/modEventOrganization.class.php b/htdocs/core/modules/modEventOrganization.class.php
index f600ef633aa..9ad2ede9b77 100644
--- a/htdocs/core/modules/modEventOrganization.class.php
+++ b/htdocs/core/modules/modEventOrganization.class.php
@@ -370,6 +370,28 @@ class modEventOrganization extends DolibarrModules
 
 		$init = $this->_init($sql, $options);
 
+
+		// Insert some vars
+		include_once DOL_DOCUMENT_ROOT.'/core/class/html.formmail.class.php';
+		$formmail = new FormMail($this->db);
+
+		$template = $formmail->getEMailTemplate($this->db, 'conferenceorbooth', $user, $langs, 0, 1, '(EventOrganizationEmailAskConf)');
+		if ($template->id > 0) {
+			dolibarr_set_const($this->db, 'EVENTORGANIZATION_TEMPLATE_EMAIL_ASK_CONF', $template->id, 'chaine', 0, '', $conf->entity);
+		}
+		$template = $formmail->getEMailTemplate($this->db, 'conferenceorbooth', $user, $langs, 0, 1, '(EventOrganizationEmailAskBooth)');
+		if ($template->id > 0) {
+			dolibarr_set_const($this->db, 'EVENTORGANIZATION_TEMPLATE_EMAIL_ASK_BOOTH', $template->id, 'chaine', 0, '', $conf->entity);
+		}
+		$template = $formmail->getEMailTemplate($this->db, 'conferenceorbooth', $user, $langs, 0, 1, '(EventOrganizationEmailBoothPayment)');
+		if ($template->id > 0) {
+			dolibarr_set_const($this->db, 'EVENTORGANIZATION_TEMPLATE_EMAIL_AFT_SUBS_BOOTH', $template->id, 'chaine', 0, '', $conf->entity);
+		}
+		$template = $formmail->getEMailTemplate($this->db, 'conferenceorbooth', $user, $langs, 0, 1, '(EventOrganizationEmailRegistrationPayment)');
+		if ($template->id > 0) {
+			dolibarr_set_const($this->db, 'EVENTORGANIZATION_TEMPLATE_EMAIL_AFT_SUBS_EVENT', $template->id, 'chaine', 0, '', $conf->entity);
+		}
+
 		return $init;
 	}