From 68045f50f627b5a25b05fb0e777caaae0f1ecae7 Mon Sep 17 00:00:00 2001
From: the-djmaze <>
Date: Wed, 2 Oct 2024 01:52:15 +0200
Subject: [PATCH] Resolve #1787

---
 dev/View/User/MailBox/MessageList.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dev/View/User/MailBox/MessageList.js b/dev/View/User/MailBox/MessageList.js
index 4329dfb46..a55062be5 100644
--- a/dev/View/User/MailBox/MessageList.js
+++ b/dev/View/User/MailBox/MessageList.js
@@ -629,8 +629,10 @@ export class MailMessageList extends AbstractViewRight {
 				}
 			},
 			dblclick: event => {
-				let el = eqs(event, '.messageListItem');
-				el && this.gotoThread(ko.dataFor(el));
+				let msg = ko.dataFor(eqs(event, '.messageListItem'));
+				if (msg) {
+					msg.threadsLen() ? this.gotoThread(msg) : toggleFullscreen();
+				}
 			}
 		});