diff --git a/include/aidge/utils/Registrar.hpp b/include/aidge/utils/Registrar.hpp
index 6e16eda0631c8e6bc1b342c215518a35672a5020..01cc32127fe050c025ba936b15d12c4e736bccd3 100644
--- a/include/aidge/utils/Registrar.hpp
+++ b/include/aidge/utils/Registrar.hpp
@@ -138,7 +138,7 @@ void declare_registrable(py::module& m, const std::string& class_name){
         (op).setImpl(Registrar<T_Op>::create(backend_name)(op)); \
     }
 #else
-#define SET_IMPL_MACRO(T_Op, op, backend_name)                          \
+#define SET_IMPL_MACRO(T_Op, op, backend_name)                   \
     (op).setImpl(Registrar<T_Op>::create(backend_name)(op));
 #endif