diff --git a/mautrix_telegram/portal/matrix.py b/mautrix_telegram/portal/matrix.py
index 136ed844..aee53ed8 100644
--- a/mautrix_telegram/portal/matrix.py
+++ b/mautrix_telegram/portal/matrix.py
@@ -127,6 +127,14 @@ class PortalMatrix(BasePortal, MautrixBasePortal, ABC):
     async def kick_matrix(self, user: Union['u.User', 'p.Puppet'], source: 'u.User') -> None:
         if user.tgid == source.tgid:
             return
+        if self.peer_type == "user" and user.tgid == self.tgid:
+            self.delete()
+            try:
+                del self.by_tgid[self.tgid_full]
+                del self.by_mxid[self.mxid]
+            except KeyError:
+                pass
+            return
         if isinstance(user, u.User) and await user.needs_relaybot(self):
             if not self.bot:
                 return
diff --git a/mautrix_telegram/portal/telegram.py b/mautrix_telegram/portal/telegram.py
index c204c278..1aee58b8 100644
--- a/mautrix_telegram/portal/telegram.py
+++ b/mautrix_telegram/portal/telegram.py
@@ -375,6 +375,12 @@ class PortalTelegram(BasePortal, ABC):
         if not self.mxid:
             await self.create_matrix_room(source, invites=[source.mxid], update_if_exists=False)
 
+        if (self.peer_type == "user" and sender.tgid == self.tg_receiver
+            and not sender.is_real_user and not self.az.state_store.is_joined(self.mxid,
+                                                                              sender.mxid)):
+            self.log.debug(f"Ignoring private chat message {evt.id}@{source.tgid} as receiver does"
+                           " not have matrix puppeting and their default puppet isn't in the room")
+
         async with self.send_lock(sender.tgid if sender else None, required=False):
             tg_space = self.tgid if self.peer_type == "channel" else source.tgid
 
@@ -489,7 +495,8 @@ class PortalTelegram(BasePortal, ABC):
         elif isinstance(action, MessageActionChatMigrateTo):
             self.peer_type = "channel"
             self._migrate_and_save_telegram(TelegramID(action.channel_id))
-            await sender.intent_for(self).send_emote(self.mxid, "upgraded this group to a supergroup.")
+            await sender.intent_for(self).send_emote(self.mxid,
+                                                     "upgraded this group to a supergroup.")
         elif isinstance(action, MessageActionPinMessage):
             await self.receive_telegram_pin_sender(sender)
         elif isinstance(action, MessageActionGameScore):