diff --git a/discord/ext/commands/hybrid.py b/discord/ext/commands/hybrid.py
index 2e88a46d0..6687104cb 100644
--- a/discord/ext/commands/hybrid.py
+++ b/discord/ext/commands/hybrid.py
@@ -71,7 +71,7 @@ if TYPE_CHECKING:
 
     class _HybridGroupDecoratorKwargs(_HybridGroupKwargs, total=False):
         description: Union[str, app_commands.locale_str]
-        fallback: str
+        fallback: Optional[str]
         fallback_locale: Optional[app_commands.locale_str]