diff --git a/propan/annotations.py b/propan/annotations.py
index c22137ce..50533ddd 100644
--- a/propan/annotations.py
+++ b/propan/annotations.py
@@ -20,7 +20,7 @@
     RabbitBroker = Annotated[RB, ContextField("broker")]
     RabbitMessage = Annotated[aio_pika.message.IncomingMessage, ContextField("message")]
     Channel = Annotated[
-        aio_pika.robust_channel.RobustChannel, ContextField("broker._channel")
+        aio_pika.robust_channel.RobustChannel, ContextField("broker.channel")
     ]
 except Exception:
     RabbitBroker = RabbitMessage = Channel = about.INSTALL_RABBIT
diff --git a/tests/fastapi/test_rabbit.py b/tests/fastapi/test_rabbit.py
index 64c05425..cc9e2c60 100644
--- a/tests/fastapi/test_rabbit.py
+++ b/tests/fastapi/test_rabbit.py
@@ -1,6 +1,7 @@
+from unittest.mock import Mock
+
 import pytest
 from fastapi import FastAPI
-from unittest.mock import Mock
 
 from propan.fastapi import RabbitRouter
 from propan.test import TestRabbitBroker