diff --git a/htdocs/core/class/html.formticket.class.php b/htdocs/core/class/html.formticket.class.php
index 4fa8ee3eac6..471cffd2a84 100644
--- a/htdocs/core/class/html.formticket.class.php
+++ b/htdocs/core/class/html.formticket.class.php
@@ -1661,10 +1661,14 @@ class FormTicket
 				$texttooltip .= '<br><br>'.$langs->trans("ForEmailMessageWillBeCompletedWith").'...';
 			}
 			if (getDolGlobalString('TICKET_MESSAGE_MAIL_INTRO')) {
-				$texttooltip .= '<br><u>'.$langs->trans("TicketMessageMailIntro").'</u><br>'.getDolGlobalString('TICKET_MESSAGE_MAIL_INTRO');
+				$mail_intro = make_substitutions(getDolGlobalString('TICKET_MESSAGE_MAIL_INTRO'), $this->substit);
+				print '<input type="hidden" name="mail_intro" value="'.$mail_intro.'">';
+				$texttooltip .= '<br><u>'.$langs->trans("TicketMessageMailIntro").'</u><br>'.$mail_intro;
 			}
 			if (getDolGlobalString('TICKET_MESSAGE_MAIL_SIGNATURE')) {
-				$texttooltip .= '<br><br><u>'.$langs->trans("TicketMessageMailFooter").'</u><br>'.getDolGlobalString('TICKET_MESSAGE_MAIL_SIGNATURE');
+				$mail_signature = make_substitutions(getDolGlobalString('TICKET_MESSAGE_MAIL_SIGNATURE'), $this->substit);
+				print '<input type="hidden" name="mail_signature" value="'.$mail_signature.'">';
+				$texttooltip .= '<br><br><u>'.$langs->trans("TicketMessageMailFooter").'</u><br>'.$mail_signature;
 			}
 			print $form->textwithpicto('', $texttooltip, 1, 'help');
 		}
diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index 037ec5c57c4..db416fb7742 100644
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -1536,6 +1536,7 @@ if ($action == 'create' || $action == 'presend') {
 			$morehtmlright = '';
 			$help = "";
 			$substitutionarray = getCommonSubstitutionArray($outputlangs, 0, $arrayoffamiliestoexclude, $object);
+			complete_substitutions_array($substitutionarray, $outputlangs, $object);
 			$morehtmlright .= $form->textwithpicto('<span class="opacitymedium">'.$langs->trans("TicketMessageSubstitutionReplacedByGenericValues").'</span>', $help, 1, 'helpclickable', '', 0, 3, 'helpsubstitution');
 
 			print '<div>';