diff --git a/Point_set_processing_3/examples/Point_set_processing_3/wlop_simplify_and_regularize_point_set_example.cpp b/Point_set_processing_3/examples/Point_set_processing_3/wlop_simplify_and_regularize_point_set_example.cpp
index e5a0b45b303..ec99d1b1630 100644
--- a/Point_set_processing_3/examples/Point_set_processing_3/wlop_simplify_and_regularize_point_set_example.cpp
+++ b/Point_set_processing_3/examples/Point_set_processing_3/wlop_simplify_and_regularize_point_set_example.cpp
@@ -44,9 +44,9 @@ int main(void)
 
   //way 1 begin
   CGAL::wlop_simplify_and_regularize_point_set<CGAL::Parallel_tag>(
-  points.begin(), 
-  points.end(),
-  back_inserter(output));
+                                               points.begin(), 
+                                               points.end(),
+                                               back_inserter(output));
   //way 1 end