diff --git a/aidge_core/export_utils/node_export.py b/aidge_core/export_utils/node_export.py
index 6131d04fda4e17c96b7da3f6e1a7987963b9e0fe..d22cc65d1eb247d09a48318d83274acfc3757d3d 100644
--- a/aidge_core/export_utils/node_export.py
+++ b/aidge_core/export_utils/node_export.py
@@ -133,7 +133,7 @@ class ExportNode(ABC):
         self.node = aidge_node
         self.operator = aidge_node.get_operator()
         # Attributes are auto fetched from aidge operators
-        self.attributes = {}  if isinstance(self.operator, aidge_core.MetaOperator_Op) or self.operator.attr is None else self.operator.attr.dict()
+        self.attributes = {}  if isinstance(self.operator, aidge_core.MetaOperatorOp) or self.operator.attr is None else self.operator.attr.dict()
         self.attributes["node"] = self.node
         self.attributes["name"] = self.node.name()
         self.attributes["nb_in"] = self.node.get_nb_inputs()