diff --git a/matrix_alertbot/alertmanager.py b/matrix_alertbot/alertmanager.py
index e79db57..a8e1ec3 100644
--- a/matrix_alertbot/alertmanager.py
+++ b/matrix_alertbot/alertmanager.py
@@ -23,7 +23,7 @@ class AlertmanagerClient(AsyncContextManager):
         self.session = aiohttp.ClientSession()
 
     async def __aenter__(self) -> AlertmanagerClient:
-        return await self
+        return self
 
     async def __aexit__(self, *args: Any, **kwargs: Any) -> None:
         await super().__aexit__(*args, **kwargs)
diff --git a/matrix_alertbot/webhook.py b/matrix_alertbot/webhook.py
index 5769d67..5a90b22 100644
--- a/matrix_alertbot/webhook.py
+++ b/matrix_alertbot/webhook.py
@@ -66,7 +66,7 @@ class Webhook(AsyncContextManager):
         self.socket = config.socket
 
     async def __aenter__(self) -> Webhook:
-        return await self
+        return self
 
     async def __aexit__(self, *args: Any, **kwargs: Any) -> None:
         await super().__aexit__(*args, **kwargs)