diff --git a/include/matador/utils/access.hpp b/include/matador/utils/access.hpp
index c8a8750..85aa86e 100644
--- a/include/matador/utils/access.hpp
+++ b/include/matador/utils/access.hpp
@@ -26,7 +26,7 @@ void process(Operator &op, Type &object) {
 
 template<class Operator, class Type>
 void process(Operator &op, const Type &object) {
-  const_cast<Type &>(object).process(op);
+  process(op, const_cast<Type &>(object));
 }
 
 template< class Operator, class Type >