diff --git a/discord/cog.py b/discord/cog.py
index 7ee8f276ce..9c7469ebf6 100644
--- a/discord/cog.py
+++ b/discord/cog.py
@@ -213,7 +213,7 @@ def __new__(cls: Type[CogMeta], *args: Any, **kwargs: Any) -> CogMeta:
 
         # Update the Command instances dynamically as well
         for command in new_cls.__cog_commands__:
-            if not isinstance(command, ApplicationCommand):
+            if not isinstance(command, SlashCommandGroup):
                 setattr(new_cls, command.callback.__name__, command)
                 parent = command.parent
                 if parent is not None:
diff --git a/discord/commands/core.py b/discord/commands/core.py
index 46766024f8..d51c95ce1a 100644
--- a/discord/commands/core.py
+++ b/discord/commands/core.py
@@ -188,6 +188,8 @@ async def __call__(self, ctx, *args, **kwargs):
         convert the arguments beforehand, so take care to pass the correct
         arguments in.
         """
+        if self.cog is not None:
+            return await self.callback(self.cog, ctx, *args, **kwargs)
         return await self.callback(ctx, *args, **kwargs)
 
     @property