diff --git a/Cartesian_kernel/include/CGAL/Cartesian/function_objects.h b/Cartesian_kernel/include/CGAL/Cartesian/function_objects.h
index 7b34a5a2ad3..fb9b023ea62 100644
--- a/Cartesian_kernel/include/CGAL/Cartesian/function_objects.h
+++ b/Cartesian_kernel/include/CGAL/Cartesian/function_objects.h
@@ -454,7 +454,7 @@ namespace CartesianKernelFunctors {
     operator()(const Point_3& p, const Point_3& q, const FT& d2) const
     {
       return CGAL_NTS compare(squared_distance(p, q), d2);
-    
+    } 
 
     result_type
     operator()(const Point_3& p, const Point_3& q, const Point_3& r, const Point_3& s) const