diff --git a/mautrix_telegram/portal.py b/mautrix_telegram/portal.py
index 143c93b1..234c0dc3 100644
--- a/mautrix_telegram/portal.py
+++ b/mautrix_telegram/portal.py
@@ -90,6 +90,7 @@ class Portal:
         self.about = about  # type: str
         self.photo_id = photo_id  # type: str
         self._db_instance = db_instance  # type: DBPortal
+        self.deleted = False  # type: bool
 
         self._main_intent = None  # type: IntentAPI
         self._room_create_lock = asyncio.Lock()  # type: asyncio.Lock
@@ -1632,6 +1633,7 @@ class Portal:
         if self._db_instance:
             self.db.delete(self._db_instance)
             self.db.commit()
+        self.deleted = True
 
     @classmethod
     def from_db(cls, db_portal: DBPortal) -> "Portal":
diff --git a/mautrix_telegram/user.py b/mautrix_telegram/user.py
index e42e1071..c8a28131 100644
--- a/mautrix_telegram/user.py
+++ b/mautrix_telegram/user.py
@@ -98,7 +98,7 @@ class User(AbstractUser):
 
     @property
     def db_portals(self) -> List[DBPortal]:
-        return [portal.db_instance for portal in self.portals.values()]
+        return [portal.db_instance for portal in self.portals.values() if not portal.deleted]
 
     @db_portals.setter
     def db_portals(self, portals: List[DBPortal]):
@@ -214,8 +214,11 @@ class User(AbstractUser):
             self.save()
 
     async def log_out(self):
+        puppet = pu.Puppet.get(self.tgid)
+        if puppet.is_real_user:
+            await puppet.switch_mxid(None, None)
         for _, portal in self.portals.items():
-            if portal.has_bot:
+            if not portal.mxid or portal.has_bot:
                 continue
             try:
                 await portal.main_intent.kick(portal.mxid, self.mxid, "Logged out of Telegram.")