diff --git a/Point_set_processing_3/include/CGAL/IO/read_las_points.h b/Point_set_processing_3/include/CGAL/IO/read_las_points.h
index 05ed3763151..c8491403b52 100644
--- a/Point_set_processing_3/include/CGAL/IO/read_las_points.h
+++ b/Point_set_processing_3/include/CGAL/IO/read_las_points.h
@@ -20,6 +20,8 @@
 #ifndef CGAL_READ_LAS_POINTS_H
 #define CGAL_READ_LAS_POINTS_H
 
+#include <CGAL/license/Point_set_processing_3.h>
+
 #include <CGAL/property_map.h>
 #include <CGAL/value_type_traits.h>
 #include <CGAL/point_set_processing_assertions.h>
diff --git a/Point_set_processing_3/include/CGAL/IO/write_las_points.h b/Point_set_processing_3/include/CGAL/IO/write_las_points.h
index e6bd53ff6b8..5d53d91ba91 100644
--- a/Point_set_processing_3/include/CGAL/IO/write_las_points.h
+++ b/Point_set_processing_3/include/CGAL/IO/write_las_points.h
@@ -20,6 +20,8 @@
 #ifndef CGAL_WRITE_LAS_POINTS_H
 #define CGAL_WRITE_LAS_POINTS_H
 
+#include <CGAL/license/Point_set_processing_3.h>
+
 #include <CGAL/property_map.h>
 #include <CGAL/value_type_traits.h>
 #include <CGAL/point_set_processing_assertions.h>