diff --git a/tanjun/_internal/__init__.py b/tanjun/_internal/__init__.py
index 0f4862010..bb4c829cb 100644
--- a/tanjun/_internal/__init__.py
+++ b/tanjun/_internal/__init__.py
@@ -398,7 +398,7 @@ def flatten_options(
 
 for _channel_cls, _types in CHANNEL_TYPES.copy().items():
     for _mro_type in _channel_cls.mro():
-        if isinstance(_mro_type, type) and issubclass(  # pyright: ignore[(reportUnnecessaryIsInstance]
+        if isinstance(_mro_type, type) and issubclass(  # pyright: ignore[reportUnnecessaryIsInstance]
             _mro_type, hikari.PartialChannel
         ):