diff --git a/lib/message-handler.js b/lib/message-handler.js
index 54f00d80..02137269 100644
--- a/lib/message-handler.js
+++ b/lib/message-handler.js
@@ -592,7 +592,7 @@ class MessageHandler {
                                                     return callback(null, true, {
                                                         uidValidity: mailboxData.uidValidity,
                                                         uid: newUid,
-                                                        id: existingId,
+                                                        id: messageData._id,
                                                         mailbox: mailboxData._id,
                                                         status: 'update'
                                                     });