diff --git a/mautrix_appservice/appservice.py b/mautrix_appservice/appservice.py
index 6cf35da0..d852a25e 100644
--- a/mautrix_appservice/appservice.py
+++ b/mautrix_appservice/appservice.py
@@ -16,12 +16,13 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # Partly based on github.com/Cadair/python-appservice-framework (MIT license)
-import asyncio
-import logging
-import aiohttp
-from aiohttp import web
 from functools import partial
 from contextlib import contextmanager
+from aiohttp import web
+import aiohttp
+import asyncio
+import logging
+
 from .intent_api import HTTPAPI
 from .state_store import StateStore
 
@@ -43,7 +44,8 @@ class AppService:
         self._intent = None
 
         self.loop = loop or asyncio.get_event_loop()
-        self.log = log or logging.getLogger("mautrix_appservice")
+        self.log = (logging.getLogger(log) if isinstance(log, str)
+                    else log or logging.getLogger("mautrix_appservice"))
 
         self.query_user = query_user or (lambda user: None)
         self.query_alias = query_alias or (lambda alias: None)
diff --git a/mautrix_appservice/intent_api.py b/mautrix_appservice/intent_api.py
index 6b411cec..f4d3fde5 100644
--- a/mautrix_appservice/intent_api.py
+++ b/mautrix_appservice/intent_api.py
@@ -18,6 +18,7 @@ import re
 import json
 import magic
 import urllib.request
+
 from matrix_client.api import MatrixHttpApi
 from matrix_client.errors import MatrixRequestError
 
diff --git a/mautrix_telegram/__main__.py b/mautrix_telegram/__main__.py
index 25b38dbf..f2108908 100644
--- a/mautrix_telegram/__main__.py
+++ b/mautrix_telegram/__main__.py
@@ -31,7 +31,7 @@ from .db import init as init_db
 from .user import init as init_user
 from .portal import init as init_portal
 from .puppet import init as init_puppet
-from .formatter import init as init_formatter
+# from .formatter import init as init_formatter
 
 log = logging.getLogger("mau")
 time_formatter = logging.Formatter("[%(asctime)s] [%(levelname)s@%(name)s] %(message)s")
@@ -74,12 +74,12 @@ Base.metadata.create_all()
 
 appserv = AppService(config["homeserver.address"], config["homeserver.domain"],
                      config["appservice.as_token"], config["appservice.hs_token"],
-                     config["appservice.bot_username"], log=log.getChild("as"))
-context = (appserv, db_session, log, config)
+                     config["appservice.bot_username"], log="mau.as")
+context = (appserv, db_session, config)
 
 with appserv.run(config["appservice.hostname"], config["appservice.port"]) as start:
     init_db(db_session)
-    init_formatter(context)
+    # init_formatter(context)
     init_portal(context)
     init_puppet(context)
     init_user(context)
diff --git a/mautrix_telegram/commands.py b/mautrix_telegram/commands.py
index 5375b443..bf9bd4e6 100644
--- a/mautrix_telegram/commands.py
+++ b/mautrix_telegram/commands.py
@@ -16,12 +16,16 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 from contextlib import contextmanager
 import markdown
+import logging
+
 from matrix_client.errors import MatrixRequestError
+
 from telethon.errors import *
 from telethon.tl.types import *
 from telethon.tl.functions.contacts import SearchRequest
 from telethon.tl.functions.messages import ImportChatInviteRequest, CheckChatInviteRequest
 from telethon.tl.functions.channels import JoinChannelRequest
+
 from . import puppet as pu, portal as po
 
 command_handlers = {}
@@ -51,9 +55,10 @@ def format_duration(seconds):
 
 
 class CommandHandler:
+    log = logging.getLogger("mau.commands")
+
     def __init__(self, context):
-        self.az, self.db, log, self.config = context
-        self.log = log.getChild("commands")
+        self.az, self.db, self.config = context
         self.command_prefix = self.config["bridge.command_prefix"]
         self._room_id = None
         self._is_management = False
diff --git a/mautrix_telegram/db.py b/mautrix_telegram/db.py
index fb3a8dc2..7b546e7c 100644
--- a/mautrix_telegram/db.py
+++ b/mautrix_telegram/db.py
@@ -14,7 +14,8 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-from sqlalchemy import Column, ForeignKey, UniqueConstraint, Integer, String
+from sqlalchemy import Column, UniqueConstraint, Integer, String
+
 from .base import Base
 
 
diff --git a/mautrix_telegram/formatter.py b/mautrix_telegram/formatter.py
index 2aaba0fa..f1a69375 100644
--- a/mautrix_telegram/formatter.py
+++ b/mautrix_telegram/formatter.py
@@ -14,15 +14,18 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-import re
 from html import escape, unescape
 from html.parser import HTMLParser
 from collections import deque
+import re
+import logging
+
 from telethon.tl.types import *
+
 from . import user as u, puppet as p
 from .db import Message as DBMessage
 
-log = None
+log = logging.getLogger("mau.formatter")
 
 
 # region Matrix to Telegram
@@ -314,8 +317,3 @@ def _telegram_to_matrix(text, entities):
 
 
 # endregion
-
-def init(context):
-    global log
-    _, _, parent_log, _ = context
-    log = parent_log.getChild("formatter")
diff --git a/mautrix_telegram/matrix.py b/mautrix_telegram/matrix.py
index cd86e4d9..93bda0fc 100644
--- a/mautrix_telegram/matrix.py
+++ b/mautrix_telegram/matrix.py
@@ -14,6 +14,8 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
+import logging
+
 from matrix_client.errors import MatrixRequestError
 
 from .user import User
@@ -23,9 +25,10 @@ from .commands import CommandHandler
 
 
 class MatrixHandler:
+    log = logging.getLogger("mau.mx")
+
     def __init__(self, context):
-        self.az, self.db, log, self.config = context
-        self.log = log.getChild("mx")
+        self.az, self.db, self.config = context
         self.commands = CommandHandler(context)
 
         self.az.matrix_event_handler(self.handle_event)
diff --git a/mautrix_telegram/portal.py b/mautrix_telegram/portal.py
index 68a4d859..2f7f754e 100644
--- a/mautrix_telegram/portal.py
+++ b/mautrix_telegram/portal.py
@@ -19,6 +19,7 @@ from collections import deque
 from datetime import datetime
 import mimetypes
 import hashlib
+import logging
 
 from PIL import Image
 import magic
@@ -37,7 +38,7 @@ config = None
 
 
 class Portal:
-    log = None
+    log = logging.getLogger("mau.portal")
     db = None
     az = None
     by_mxid = {}
@@ -897,5 +898,4 @@ class Portal:
 
 def init(context):
     global config
-    Portal.az, Portal.db, log, config = context
-    Portal.log = log.getChild("portal")
+    Portal.az, Portal.db, config = context
diff --git a/mautrix_telegram/puppet.py b/mautrix_telegram/puppet.py
index 3b6803cd..5b50a537 100644
--- a/mautrix_telegram/puppet.py
+++ b/mautrix_telegram/puppet.py
@@ -15,15 +15,18 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import re
+import logging
+
 from telethon.tl.types import UserProfilePhoto, PeerUser
 from telethon.errors.rpc_error_list import LocationInvalidError
+
 from .db import Puppet as DBPuppet
 
 config = None
 
 
 class Puppet:
-    log = None
+    log = logging.getLogger("mau.puppet")
     db = None
     az = None
     mxid_regex = None
@@ -167,8 +170,7 @@ class Puppet:
 
 def init(context):
     global config
-    Puppet.az, Puppet.db, log, config = context
-    Puppet.log = log.getChild("puppet")
+    Puppet.az, Puppet.db, config = context
     localpart = config.get("bridge.username_template", "telegram_{userid}").format(userid="(.+)")
     hs = config["homeserver"]["domain"]
     Puppet.mxid_regex = re.compile(f"@{localpart}:{hs}")
diff --git a/mautrix_telegram/tgclient.py b/mautrix_telegram/tgclient.py
index 715b3b24..7a6efe53 100644
--- a/mautrix_telegram/tgclient.py
+++ b/mautrix_telegram/tgclient.py
@@ -15,6 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 from io import BytesIO
+
 from telethon import TelegramClient
 from telethon.tl.functions.messages import SendMessageRequest, SendMediaRequest
 from telethon.tl.types import *
diff --git a/mautrix_telegram/user.py b/mautrix_telegram/user.py
index 44c7082d..630a1c78 100644
--- a/mautrix_telegram/user.py
+++ b/mautrix_telegram/user.py
@@ -14,8 +14,11 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
+import logging
+
 from telethon.tl.types import *
 from telethon.tl.types import User as TLUser
+
 from .db import User as DBUser, Message as DBMessage
 from .tgclient import MautrixTelegramClient
 from . import portal as po, puppet as pu
@@ -24,7 +27,7 @@ config = None
 
 
 class User:
-    log = None
+    log = logging.getLogger("mau.user")
     db = None
     az = None
     by_mxid = {}
@@ -306,8 +309,7 @@ class User:
 
 def init(context):
     global config
-    User.az, User.db, log, config = context
-    User.log = log.getChild("user")
+    User.az, User.db, config = context
 
     users = [User.from_db(user) for user in DBUser.query.all()]
     for user in users: