diff --git a/Spatial_searching/include/CGAL/Kd_tree_rectangle.h b/Spatial_searching/include/CGAL/Kd_tree_rectangle.h
index ef2f13476d9..ba111699f07 100644
--- a/Spatial_searching/include/CGAL/Kd_tree_rectangle.h
+++ b/Spatial_searching/include/CGAL/Kd_tree_rectangle.h
@@ -111,11 +111,7 @@ namespace CGAL {
 
     explicit
     Kd_tree_rectangle(const Kd_tree_rectangle& r)
-    : max_span_coord_(r.max_span_coord_)
-    {
-      lower_ = r.lower_;
-      upper_ = r.upper_;
-    }
+    : lower_(r.lower_), upper_(r.upper_), max_span_coord_(r.max_span_coord_) {}
 
     template <class Construct_cartesian_const_iterator_d,class PointPointerIter>
     void update_from_point_pointers(PointPointerIter begin,