diff --git a/src/anemoi/graphs/edges/attributes.py b/src/anemoi/graphs/edges/attributes.py
index 73079e0..b76d6d1 100644
--- a/src/anemoi/graphs/edges/attributes.py
+++ b/src/anemoi/graphs/edges/attributes.py
@@ -158,14 +158,14 @@ def post_process(self, values: np.ndarray) -> torch.Tensor:
         return values
 
 
-class BooleanBaseEdgeAttribute(ABC, BaseEdgeAttribute):
+class BooleanBaseEdgeAttribute(BaseEdgeAttribute, ABC):
     """Base class for boolean edge attributes."""
 
     def __init__(self) -> None:
         super().__init__(norm=None, dtype="bool")
 
 
-class AttributeFromNode(ABC, BooleanBaseEdgeAttribute):
+class AttributeFromNode(BooleanBaseEdgeAttribute, ABC):
     """
     Base class for Attribute from Node.