diff --git a/assets/chat/js/user.js b/assets/chat/js/user.js
index 8a846dc7..f8c069f3 100644
--- a/assets/chat/js/user.js
+++ b/assets/chat/js/user.js
@@ -47,11 +47,11 @@ class ChatUser {
       this.displayName = user;
       this.username = this.displayName.toLowerCase();
     } else {
-      this.id = user.id;
-      this.displayName = user.nick;
+      this.id = user.id || null;
+      this.displayName = user.nick || '';
       this.username = this.displayName.toLowerCase();
-      this.createdDate = user.createdDate;
-      this.features = user.features;
+      this.createdDate = user.createdDate || '';
+      this.features = user.features || [];
     }
   }