diff --git a/src/aiogram_dialog/widgets/kbd/select.py b/src/aiogram_dialog/widgets/kbd/select.py
index c5e201b4..96cd4c87 100644
--- a/src/aiogram_dialog/widgets/kbd/select.py
+++ b/src/aiogram_dialog/widgets/kbd/select.py
@@ -51,6 +51,7 @@ async def __call__(
             select: ManagedT,  # noqa: F841
             dialog_manager: DialogManager,
             data: T,
+            /,
     ):
         raise NotImplementedError