diff --git a/Arrangement_on_surface_2/include/CGAL/Arrangement_2/Arr_traits_adaptor_2.h b/Arrangement_on_surface_2/include/CGAL/Arrangement_2/Arr_traits_adaptor_2.h
index 8dbf094888f..08e3914d04b 100644
--- a/Arrangement_on_surface_2/include/CGAL/Arrangement_2/Arr_traits_adaptor_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/Arrangement_2/Arr_traits_adaptor_2.h
@@ -3060,7 +3060,7 @@ public:
      */
     Comparison_result operator()(const Point_2& p1, const Point_2& p2) const
     {
-      Base base(m_self);
+      const Base& base = m_self;
       return base.compare_xy_2_object()(p1, p2);
     }