diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index f46a9ecc61d..efa2eba0999 100755
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -1055,7 +1055,7 @@ if ($action == 'create' || $action == 'presend') {
 			print '<input type="hidden" name="action" value="assign_user">';
 			print '<input type="hidden" name="track_id" value="'.$object->track_id.'">';
 			//print '<label for="fk_user_assign">'.$langs->trans("AssignUser").'</label> ';
-			print $form->select_dolusers($user->id, 'fk_user_assign', 1);
+			print $form->select_dolusers(empty($object->fk_user_assign)?$user->id:$object->fk_user_assign, 'fk_user_assign', 1);
 			print ' <input type="submit" class="button small" name="btn_assign_user" value="'.$langs->trans("Validate").'" />';
 			print '</form>';
 		}
diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index e267ffce6c1..3ac3727af13 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -496,6 +496,13 @@ class Ticket extends CommonObject
 				}
 			}
 
+			if (!$error && $this->fk_user_assign > 0) {
+				if ($this->add_contact($this->fk_user_assign, 'SUPPORTTEC', 'internal') < 0) {
+					$error++;
+				}
+			}
+
+
 			//Update extrafield
 			if (!$error) {
 				$result = $this->insertExtraFields();
@@ -2194,6 +2201,10 @@ class Ticket extends CommonObject
 			$sql .= " AND tc.source = 'external'";
 		}
 
+		if (!empty($code)) {
+			$sql .= " AND tc.code = '".$this->db->escape($code)."'";
+		}
+
 		$sql .= " AND tc.active=1";
 		if ($status >= 0) {
 			$sql .= " AND ec.statut = ".((int) $status);
diff --git a/htdocs/ticket/contact.php b/htdocs/ticket/contact.php
index 89822df2676..ee76045ffec 100644
--- a/htdocs/ticket/contact.php
+++ b/htdocs/ticket/contact.php
@@ -137,6 +137,16 @@ if ($action == 'swapstatut' && $user->rights->ticket->write) {
 // Efface un contact
 if ($action == 'deletecontact' && $user->rights->ticket->write) {
 	if ($object->fetch($id, '', $track_id)) {
+		$internal_contacts = $object->listeContact(-1, 'internal', 0, 'SUPPORTTEC');
+		foreach ($internal_contacts as $key => $contact) {
+			if ($contact['rowid'] == $lineid && $object->fk_user_assign==$contact['id']) {
+				$ret = $object->assignUser($user, null);
+				if ($ret < 0) {
+					$error ++;
+					setEventMessages($object->error, $object->errors, 'errors');
+				}
+			}
+		}
 		$result = $object->delete_contact($lineid);
 
 		if ($result >= 0) {