diff --git a/firstmessage/core.py b/firstmessage/core.py
index 80ed904a..f987753f 100644
--- a/firstmessage/core.py
+++ b/firstmessage/core.py
@@ -67,15 +67,13 @@ def format_help_for_context(self, ctx: commands.Context) -> str:
     async def firstmessage(
         self,
         ctx: commands.Context,
-        channel: Optional[
-            Union[
-                discord.TextChannel,
-                discord.Thread,
-                discord.DMChannel,
-                discord.GroupChannel,
-                discord.User,
-                discord.Member,
-            ],
+        channel: Union[
+            discord.TextChannel,
+            discord.Thread,
+            discord.DMChannel,
+            discord.GroupChannel,
+            discord.User,
+            discord.Member,
         ] = commands.CurrentChannel,
     ):
         """