diff --git a/telethon/utils.py b/telethon/utils.py
index fba2a674..7a6c0a8b 100644
--- a/telethon/utils.py
+++ b/telethon/utils.py
@@ -16,9 +16,12 @@ def get_display_name(entity):
     if isinstance(entity, User):
         if entity.last_name and entity.first_name:
             return '{} {}'.format(entity.first_name, entity.last_name)
+        elif entity.first_name:
+            return entity.first_name
         elif entity.last_name:
             return entity.last_name
-        return entity.first_name
+        else:
+            return '(No name)'
 
     if isinstance(entity, Chat) or isinstance(entity, Channel):
         return entity.title