diff --git a/Linphone/UI/Main/Conversations/Model/ConversationModel.swift b/Linphone/UI/Main/Conversations/Model/ConversationModel.swift
index 6e681a91f..38a1f4c1e 100644
--- a/Linphone/UI/Main/Conversations/Model/ConversationModel.swift
+++ b/Linphone/UI/Main/Conversations/Model/ConversationModel.swift
@@ -265,7 +265,7 @@ class ConversationModel: ObservableObject, Identifiable {
 					
 					subjectTmp = self.chatRoom.participants.first!.address!.displayName != nil
 					? self.chatRoom.participants.first!.address!.displayName!
-					: self.chatRoom.participants.first!.address!.username!
+					: (self.chatRoom.participants.first!.address!.username ?? self.chatRoom.participants.first!.address!.asStringUriOnly())
 					
 				}
 			}