diff --git a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/corefinement.h b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/corefinement.h
index 3685fda8745..3c4f77b9bbe 100644
--- a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/corefinement.h
+++ b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/corefinement.h
@@ -17,11 +17,12 @@
 
 #include <CGAL/disable_warnings.h>
 
+#include <CGAL/boost/graph/copy_face_graph.h>
+#include <CGAL/boost/graph/named_params_helper.h>
 #include <CGAL/Polygon_mesh_processing/intersection.h>
 #include <CGAL/Polygon_mesh_processing/internal/Corefinement/Visitor.h>
 #include <CGAL/Polygon_mesh_processing/internal/Corefinement/Face_graph_output_builder.h>
 #include <CGAL/Polygon_mesh_processing/internal/Corefinement/Output_builder_for_autorefinement.h>
-#include <CGAL/boost/graph/copy_face_graph.h>
 #include <CGAL/iterator.h>
 
 namespace CGAL {
diff --git a/Polygon_mesh_processing/test/Polygon_mesh_processing/test_orient_cc.cpp b/Polygon_mesh_processing/test/Polygon_mesh_processing/test_orient_cc.cpp
index 34a54ecd273..a11d8766ebd 100644
--- a/Polygon_mesh_processing/test/Polygon_mesh_processing/test_orient_cc.cpp
+++ b/Polygon_mesh_processing/test/Polygon_mesh_processing/test_orient_cc.cpp
@@ -1,5 +1,7 @@
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Surface_mesh.h>
+
+#include <CGAL/boost/graph/named_params_helper.h>
 #include <CGAL/Polygon_mesh_processing/orientation.h>
 #include <CGAL/Polygon_mesh_processing/corefinement.h>