diff --git a/python_binding/operator/pybind_GenericOperator.cpp b/python_binding/operator/pybind_GenericOperator.cpp
index 4cf4dae2234900722058d6555582c5b78900ab7d..241fc7f4a003f53de15a42859b078c54cc98b63a 100644
--- a/python_binding/operator/pybind_GenericOperator.cpp
+++ b/python_binding/operator/pybind_GenericOperator.cpp
@@ -27,7 +27,7 @@ void init_GenericOperator(py::module& m) {
     .def("compute_output_dims", &GenericOperator_Op::computeOutputDims)
     .def("set_compute_output_dims", &GenericOperator_Op::setComputeOutputDims, py::arg("computation_function"));
 
-    m.def("GenericOperator", &GenericOperator, py::arg("type"), py::arg("nbDataIn"), py::arg("nbIn"), py::arg("nbOut"),
+    m.def("GenericOperator", &GenericOperator, py::arg("type"), py::arg("nb_data_in"), py::arg("nb_in"), py::arg("nb_out"),
           py::arg("name") = "");
 }
 }  // namespace Aidge