From 851619349c70c9fd7c31e6066a3635feed41937d Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Tue, 20 Apr 2021 18:19:55 +0300
Subject: [PATCH] Chat: Fix missing name for surname-only contacts (#1033)

---
 src/api/gramjs/apiBuilders/chats.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/api/gramjs/apiBuilders/chats.ts b/src/api/gramjs/apiBuilders/chats.ts
index 92a0e49c9..fa595c368 100644
--- a/src/api/gramjs/apiBuilders/chats.ts
+++ b/src/api/gramjs/apiBuilders/chats.ts
@@ -251,7 +251,9 @@ export function getApiChatTitleFromMtpPeer(peer: GramJs.TypePeer, peerEntity: Gr
 }
 
 function getUserName(user: GramJs.User) {
-  return user.firstName ? `${user.firstName}${user.lastName ? ` ${user.lastName}` : ''}` : undefined;
+  return user.firstName
+    ? `${user.firstName}${user.lastName ? ` ${user.lastName}` : ''}`
+    : (user.lastName || undefined);
 }
 
 export function buildAvatarHash(photo: any) {