diff --git a/HSMensaW_botA.py b/HSMensaW_botA.py
index 498ce0b..67bd57c 100644
--- a/HSMensaW_botA.py
+++ b/HSMensaW_botA.py
@@ -210,10 +210,15 @@ def get_bot_id() -> int:
 
 
 def get_chat_name(msg: dict) -> str:
+    chat = ""
     if msg["chat"]["type"] == "group":
         chat = msg["chat"]["title"] + " (g)"
     elif msg["chat"]["type"] == "private":
-        chat = msg["chat"]["first_name"] + " " + msg["chat"]["last_name"] + " (p)"
+        if "first_name" in msg["chat"].keys():
+            chat = msg["chat"]["first_name"] + " "
+        if "last_name" in msg["chat"].keys():
+            chat += msg["chat"]["last_name"] + " "
+        chat += "(p)"
     else:
         chat = "null"
     return chat