diff --git a/htdocs/core/class/html.formticket.class.php b/htdocs/core/class/html.formticket.class.php
index cd6b9ecd7fc..6b54ee86c33 100644
--- a/htdocs/core/class/html.formticket.class.php
+++ b/htdocs/core/class/html.formticket.class.php
@@ -164,6 +164,7 @@ class FormTicket
 		print '<form method="POST" '.($withdolfichehead ? '' : 'style="margin-bottom: 30px;" ').'name="ticket" id="form_create_ticket" enctype="multipart/form-data" action="'.$this->param["returnurl"].'">';
 		print '<input type="hidden" name="token" value="'.newToken().'">';
 		print '<input type="hidden" name="action" value="'.$this->action.'">';
+		print '<input type="hidden" name="trackid" value="'.$this->trackid.'">';
 		foreach ($this->param as $key => $value) {
 			print '<input type="hidden" name="'.$key.'" value="'.$value.'">';
 		}
diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index 1b3dd4c8e37..334dcdf6aa4 100644
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -266,7 +266,7 @@ if (empty($reshook)) {
 
 			if (!$error) {
 				// File transfer
-				$object->copyFilesForTicket();
+				$object->copyFilesForTicket('');		// trackid is forced to '' because files were uploaded when no id for ticket exists yet and trackid was ''
 			}
 
 			if (!$error) {
@@ -689,6 +689,7 @@ if ($action == 'create' || $action == 'presend') {
 
 	print load_fiche_titre($langs->trans('NewTicket'), '', 'ticket');
 
+	$formticket->trackid = '';		// TODO Use a unique key to avoid conflict in upload file feature
 	$formticket->withfromsocid = $socid ? $socid : $user->socid;
 	$formticket->withfromcontactid = $contactid ? $contactid : '';
 	$formticket->withtitletopic = 1;
diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index 122c5ae35ab..7e3d17dc32d 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -2437,9 +2437,10 @@ class Ticket extends CommonObject
 	 * Used for files linked into messages.
 	 * Files may be renamed during copy to avoid overwriting existing files.
 	 *
-	 * @return	array		Array with final path/name/mime of files.
+	 * @param	string	$forcetrackid	Force trackid
+	 * @return	array					Array with final path/name/mime of files.
 	 */
-	public function copyFilesForTicket()
+	public function copyFilesForTicket($forcetrackid = null)
 	{
 		global $conf;
 
@@ -2454,7 +2455,7 @@ class Ticket extends CommonObject
 		$maxheightmini = 72;
 
 		$formmail = new FormMail($this->db);
-		$formmail->trackid = 'tic'.$this->id;
+		$formmail->trackid = (is_null($forcetrackid) ? 'tic'.$this->id : '');
 		$attachedfiles = $formmail->get_attached_files();
 
 		$filepath = $attachedfiles['paths'];