From 3010f7cb7c31bfc7d4a86204486da7f81d3de5e3 Mon Sep 17 00:00:00 2001
From: nielsandriesse <andriesseniels@gmail.com>
Date: Fri, 8 Jan 2021 11:21:58 +1100
Subject: [PATCH] Fix crash

---
 SessionMessagingKit/Threads/TSGroupModel.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SessionMessagingKit/Threads/TSGroupModel.m b/SessionMessagingKit/Threads/TSGroupModel.m
index fbf20a269..6f5826b63 100644
--- a/SessionMessagingKit/Threads/TSGroupModel.m
+++ b/SessionMessagingKit/Threads/TSGroupModel.m
@@ -126,7 +126,7 @@ const int32_t kGroupIdLength = 16;
 
     if ([membersWhoLeft count] > 0) {
         NSArray *oldMembersNames = [[membersWhoLeft allObjects] map:^NSString*(NSString* item) {
-            return [LKUserDisplayNameUtilities getPrivateChatDisplayNameAvoidWriteTransaction:item];
+            return [LKUserDisplayNameUtilities getPrivateChatDisplayNameAvoidWriteTransaction:item] ?: item;
         }];
         updatedGroupInfoString = [updatedGroupInfoString
                                   stringByAppendingString:[NSString