diff --git a/Polygon_mesh_processing/include/CGAL/polygon_mesh_processing.h b/Polygon_mesh_processing/include/CGAL/polygon_mesh_processing.h
index 9379a5f472d..7d587ad4b84 100644
--- a/Polygon_mesh_processing/include/CGAL/polygon_mesh_processing.h
+++ b/Polygon_mesh_processing/include/CGAL/polygon_mesh_processing.h
@@ -44,6 +44,11 @@
 #include <CGAL/Polygon_mesh_processing/remesh.h>
 #include <CGAL/Polygon_mesh_processing/corefinement.h>
 #include <CGAL/Polygon_mesh_processing/detect_features.h>
+#include <CGAL/Polygon_mesh_processing/extrude.h>
+#include <CGAL/Polygon_mesh_processing/random_perturbation.h>
+#include <CGAL/Polygon_mesh_processing/distance.h>
+#include <CGAL/Polygon_mesh_processing/intersection.h>
+#include <CGAL/Polygon_mesh_processing/transform.h>
 
 // the named parameter header being not documented the doc is put here for now
 #ifdef DOXYGEN_RUNNING