diff --git a/Packages/Spatial_searching/examples/Spatial_searching/General_neighbor_searching.C b/Packages/Spatial_searching/examples/Spatial_searching/General_neighbor_searching.C
index cb3f675ab14..acd0240df8e 100755
--- a/Packages/Spatial_searching/examples/Spatial_searching/General_neighbor_searching.C
+++ b/Packages/Spatial_searching/examples/Spatial_searching/General_neighbor_searching.C
@@ -1,5 +1,5 @@
-#include <CGAL/Kd_tree.h>
 #include <CGAL/Cartesian_d.h>
+#include <CGAL/Kd_tree.h>
 #include <CGAL/Kernel_d/Iso_box_d.h>
 #include <CGAL/Manhattan_distance_rectangle_point.h>
 #include <CGAL/General_standard_search.h>
@@ -11,7 +11,7 @@ typedef CGAL::Cartesian_d<double> R;
 typedef R::Point_d Point;
 typedef Point::R::FT NT;
 
-typedef CGAL::Iso_box_d<R> Box; 
+typedef CGAL::Iso_box_d<R> Box;
 
 typedef CGAL::Kd_tree_traits_point<Point> TreeTraits;
 typedef CGAL::Manhattan_distance_rectangle_point<Box, Point> Distance;
diff --git a/Packages/Spatial_searching/examples/Spatial_searching/Nearest_neighbor_searching.C b/Packages/Spatial_searching/examples/Spatial_searching/Nearest_neighbor_searching.C
index 26761254108..73fbb16e2d1 100755
--- a/Packages/Spatial_searching/examples/Spatial_searching/Nearest_neighbor_searching.C
+++ b/Packages/Spatial_searching/examples/Spatial_searching/Nearest_neighbor_searching.C
@@ -1,3 +1,4 @@
+#include <CGAL/Cartesian.h>
 #include <CGAL/Kd_tree.h>
 
 #include <vector>
diff --git a/Packages/Spatial_searching/examples/Spatial_searching/Using_fair_splitting_rule.C b/Packages/Spatial_searching/examples/Spatial_searching/Using_fair_splitting_rule.C
index a59af1b7cd0..5b5232abdfb 100755
--- a/Packages/Spatial_searching/examples/Spatial_searching/Using_fair_splitting_rule.C
+++ b/Packages/Spatial_searching/examples/Spatial_searching/Using_fair_splitting_rule.C
@@ -1,3 +1,4 @@
+#include <CGAL/Cartesian.h>
 #include <CGAL/Kd_tree.h>
 
 #include <vector>