diff --git a/roboquant/order.py b/roboquant/order.py
index 7591d1f..8740a43 100644
--- a/roboquant/order.py
+++ b/roboquant/order.py
@@ -33,7 +33,7 @@ def closed(self):
         return self in OrderStatus._CLOSE
 
     def __repr__(self) -> str:
-        return self.name
+        return self.name  # type: ignore
 
 
 @dataclass
diff --git a/roboquant/traders/flextrader.py b/roboquant/traders/flextrader.py
index ef084a4..bff593d 100644
--- a/roboquant/traders/flextrader.py
+++ b/roboquant/traders/flextrader.py
@@ -55,7 +55,7 @@ def __init__(
     ) -> None:
         super().__init__()
         self.one_order_only = one_order_only
-        self.size_ndigits: int = size_fractions
+        self.size_digits: int = size_fractions
         self.min_buying_power: float = min_buying_power
         self.increase_position = increase_position
         self.shorting = shorting
@@ -66,7 +66,7 @@ def __init__(
     def _get_order_size(self, rating: float, contract_price: float, max_order_value: float) -> Decimal:
         """Return the order size"""
         size = Decimal(rating * max_order_value / contract_price)
-        rounded_size = round(size, self.size_ndigits)
+        rounded_size = round(size, self.size_digits)
         return rounded_size
 
     def create_orders(self, signals: dict[str, Signal], event: Event, account: Account) -> list[Order]: