diff --git a/core/src/trezor/wire/thp/channel_context.py b/core/src/trezor/wire/thp/channel_context.py
index eb6aa3144..1e7cdcf0e 100644
--- a/core/src/trezor/wire/thp/channel_context.py
+++ b/core/src/trezor/wire/thp/channel_context.py
@@ -197,11 +197,11 @@ class ChannelContext(Context):
                     message = message_handler.wrap_protobuf_load(buf, expected_type)
                     print(message)
                     # ------------------------------------------------TYPE ERROR------------------------------------------------
-                    session_message: ThpCreateNewSession = message
-                    print("passphrase:", session_message.passphrase)
+                    assert isinstance(message, ThpCreateNewSession)
+                    print("passphrase:", message.passphrase)
                     # await thp_messages.handle_CreateNewSession(message)
-                    if session_message.passphrase is not None:
-                        self.create_new_session(session_message.passphrase)
+                    if message.passphrase is not None:
+                        self.create_new_session(message.passphrase)
                     else:
                         self.create_new_session()
                 except Exception as e:
diff --git a/core/src/trezor/wire/thp/thp_messages.py b/core/src/trezor/wire/thp/thp_messages.py
index 03c7e6d7b..d031c505d 100644
--- a/core/src/trezor/wire/thp/thp_messages.py
+++ b/core/src/trezor/wire/thp/thp_messages.py
@@ -2,7 +2,7 @@ import ustruct  # pyright:ignore[reportMissingModuleSource]
 
 from storage.cache_thp import BROADCAST_CHANNEL_ID
 from trezor import protobuf
-from trezor.messages import CreateNewSession
+from trezor.messages import ThpCreateNewSession
 
 from .. import message_handler
 from ..protocol_common import Message
@@ -90,7 +90,7 @@ def decode_message(buffer: bytes, msg_type: int) -> protobuf.MessageType:
     return x
 
 
-async def handle_CreateNewSession(msg: CreateNewSession) -> None:
+async def handle_CreateNewSession(msg: ThpCreateNewSession) -> None:
     print(msg.passphrase)
     print(msg.on_device)
     pass
diff --git a/python/src/trezorlib/protobuf.py b/python/src/trezorlib/protobuf.py
index 93bfdbd99..e6fdcdbf0 100644
--- a/python/src/trezorlib/protobuf.py
+++ b/python/src/trezorlib/protobuf.py
@@ -183,7 +183,7 @@ class Field:
 
 class _MessageTypeMeta(type):
     def __init__(cls, name: str, bases: tuple, d: dict) -> None:
-        super().__init__(name, bases, d)
+        super().__init__(name, bases, d)  # type: ignore [Expected 1 positional argument]
         if name != "MessageType":
             cls.__init__ = MessageType.__init__  # type: ignore ["__init__" is obscured by a declaration of the same name;;Cannot assign member "__init__" for type "_MessageTypeMeta"]