diff --git a/pgbotlib/response.py b/pgbotlib/response.py
index f62d373..901ab48 100644
--- a/pgbotlib/response.py
+++ b/pgbotlib/response.py
@@ -99,6 +99,7 @@ class Responder:
                 sender = await event.get_sender()
             case response if '<randomname>' in response:
                 template = '<randomname>'
+                peer_id = event.message.peer_id
                 users = await self.client.get_participants(entity=peer_id)
                 sender = random.choice(users)[0]
         if template: