diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index f25e13ee88c..149cbd8530a 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -6848,7 +6848,7 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 				/*$substitutionarray['__MEMBER_NOTE_PUBLIC__'] = '__MEMBER_NOTE_PUBLIC__';
 				$substitutionarray['__MEMBER_NOTE_PRIVATE__'] = '__MEMBER_NOTE_PRIVATE__';*/
 			}
-// add variables subtitutions ticket
+			// add variables subtitutions ticket
 			if (!empty($conf->ticket->enabled) && (!is_object($object) || $object->element == 'ticket')) {
 				$substitutionarray['__TICKET_TRACKID__'] = '__TICKET_TRACKID__';
 				$substitutionarray['__TICKET_REF__'] = '__TICKET_REF__';
@@ -6861,14 +6861,7 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 				$substitutionarray['__TICKET_PROGRESSION__'] = '__TICKET_PROGRESSION__';
 				$substitutionarray['__TICKET_USER_ASSIGN__'] = '__TICKET_USER_ASSIGN__';
 				$substitutionarray['__TICKET_USER_CREATE__'] = '__TICKET_USER_CREATE__';
-
-
-}
-
-
-
-
-
+			}
 
 			if (!empty($conf->recruitment->enabled) && (!is_object($object) || $object->element == 'candidature')) {
 				$substitutionarray['__CANDIDATE_FULLNAME__'] = '__CANDIDATE_FULLNAME__';
@@ -7058,7 +7051,7 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 				$substitutionarray['__CONTRACT_LOWEST_EXPIRATION_DATE__'] = dol_print_date($datenextexpiration, 'dayrfc');
 				$substitutionarray['__CONTRACT_LOWEST_EXPIRATION_DATETIME__'] = dol_print_date($datenextexpiration, 'standard');
 			}
-// add substition variable for ticket
+			// add substition variable for ticket
 			if (is_object($object) && $object->element == 'ticket') {
 				$substitutionarray['__TICKET_TRACKID__'] = $object->track_id;
 				$substitutionarray['__TICKET_REF__'] = $object->ref;
@@ -7069,10 +7062,17 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 				$substitutionarray['__TICKET_ANALYTIC_CODE__'] = $object->category_code;
 				$substitutionarray['__TICKET_MESSAGE__'] = $object->message;
 				$substitutionarray['__TICKET_PROGRESSION__'] = $object->progress;
-				$substitutionarray['__TICKET_USER_ASSIGN__'] = dolGetFirstLastname($user->firstname, $user->lastname);
-				$substitutionarray['__TICKET_USER_CREATE__'] = dolGetFirstLastname($user->firstname, $user->lastname);
-			}
+				$userstat = new User($db);
+				if ($object->fk_user_assign > 0) {
+					$userstat->fetch($object->fk_user_assign);
+					$substitutionarray['__TICKET_USER_ASSIGN__'] = dolGetFirstLastname($userstat->firstname, $userstat->lastname);
+				}
 
+				if ($object->fk_user_create > 0) {
+					$userstat->fetch($object->fk_user_create);
+					$substitutionarray['__TICKET_USER_CREATE__'] = dolGetFirstLastname($userstat->firstname, $userstat->lastname);
+				}
+			}
 
 			// Create dynamic tags for __EXTRAFIELD_FIELD__
 			if ($object->table_element && $object->id > 0) {
diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index 5faa7b201b7..7de6ea2d966 100644
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -1347,31 +1347,6 @@ if ($action == 'create' || $action == 'presend') {
 			$morehtmlright = '';
 			$help = "";
 			$substitutionarray = getCommonSubstitutionArray($outputlangs, 0, $arrayoffamiliestoexclude, $object);
-			if ($object->fk_soc > 0) {
-				$substitutionarray['__THIRDPARTY_NAME__'] = $object->thirdparty->name;
-			}
-			$substitutionarray['__USER_SIGNATURE__'] = $user->signature;
-			$substitutionarray['__TICKET_TRACKID__'] = $object->track_id;
-			$substitutionarray['__TICKET_REF__'] = $object->ref;
-			$substitutionarray['__TICKET_SUBJECT__'] = $object->subject;
-			$substitutionarray['__TICKET_TYPE__'] = $object->type_code;
-			$substitutionarray['__TICKET_SEVERITY__'] = $object->severity_code;
-			$substitutionarray['__TICKET_CATEGORY__'] = $object->category_code; // For backward compatibility
-			$substitutionarray['__TICKET_ANALYTIC_CODE__'] = $object->category_code;
-			$substitutionarray['__TICKET_MESSAGE__'] = $object->message;
-			$substitutionarray['__TICKET_PROGRESSION__'] = $object->progress;
-			if ($object->fk_user_assign > 0) {
-				$userstat->fetch($object->fk_user_assign);
-				$substitutionarray['__TICKET_USER_ASSIGN__'] = dolGetFirstLastname($userstat->firstname, $userstat->lastname);
-			}
-
-			if ($object->fk_user_create > 0) {
-				$userstat->fetch($object->fk_user_create);
-				$substitutionarray['__TICKET_USER_CREATE__'] = dolGetFirstLastname($userstat->firstname, $userstat->lastname);
-			}
-			foreach ($substitutionarray as $key => $val) {
-				$help .= $key.' -> '.$langs->trans($val).'<br>';
-			}
 			$morehtmlright .= $form->textwithpicto('<span class="opacitymedium">'.$langs->trans("TicketMessageSubstitutionReplacedByGenericValues").'</span>', $help, 1, 'helpclickable', '', 0, 3, 'helpsubstitution');
 
 			print '<div>';