From 49688c0a2d27775472deb3e950c703c3e6dc2df8 Mon Sep 17 00:00:00 2001
From: ryanzhao <ryanzhaors@qq.com>
Date: Fri, 1 Oct 2021 15:06:33 +1000
Subject: [PATCH] potentially fix a crash when setting nickname from null

---
 .../Messages/Control Messages/ConfigurationMessage.swift        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SessionMessagingKit/Messages/Control Messages/ConfigurationMessage.swift b/SessionMessagingKit/Messages/Control Messages/ConfigurationMessage.swift
index e27b50f92..20dcc7ee6 100644
--- a/SessionMessagingKit/Messages/Control Messages/ConfigurationMessage.swift	
+++ b/SessionMessagingKit/Messages/Control Messages/ConfigurationMessage.swift	
@@ -243,6 +243,6 @@ extension ConfigurationMessage {
             }
         }
 
-        public override var description: String { displayName! }
+        public override var description: String { displayName ?? "" }
     }
 }