diff --git a/python_binding/pybind_core.cpp b/python_binding/pybind_core.cpp
index e9777a220f7dc8d491a8cd8220f3d99f673a8e8d..7c58c61d4f6f44a69ae460f0c71221a82e30e295 100644
--- a/python_binding/pybind_core.cpp
+++ b/python_binding/pybind_core.cpp
@@ -78,6 +78,7 @@ void init_Aidge(py::module& m){
     init_LeakyReLU(m);
     init_MatMul(m);
     init_MaxPooling(m);
+    init_MetaOperatorDefs(m);
     init_ReLU(m);
     init_Softmax(m);