diff --git a/Classification/examples/Classification/example_ethz_random_forest.cpp b/Classification/examples/Classification/example_ethz_random_forest.cpp
index 64d4688a360..a538faa3014 100644
--- a/Classification/examples/Classification/example_ethz_random_forest.cpp
+++ b/Classification/examples/Classification/example_ethz_random_forest.cpp
@@ -140,7 +140,7 @@ int main (int argc, char** argv)
   classifier.save_configuration(fconfig);
 
   // Write result
-  std::ofstream f ("classification.ply");
+  std::ofstream f ("classification_ethz_random_forest.ply");
   f.precision(18);
   f << pts;
 
diff --git a/Classification/examples/Classification/example_opencv_random_forest.cpp b/Classification/examples/Classification/example_opencv_random_forest.cpp
index 99fa9fb6497..e01ede689e5 100644
--- a/Classification/examples/Classification/example_opencv_random_forest.cpp
+++ b/Classification/examples/Classification/example_opencv_random_forest.cpp
@@ -128,7 +128,7 @@ int main (int argc, char** argv)
   }
 
   // Write result
-  std::ofstream f ("classification.ply");
+  std::ofstream f ("classification_opencv_random_forest.ply");
   f.precision(18);
   f << pts;
 
diff --git a/Classification/examples/Classification/gis_tutorial_example.cpp b/Classification/examples/Classification/gis_tutorial_example.cpp
index e02d128a307..4b742af8dd1 100644
--- a/Classification/examples/Classification/gis_tutorial_example.cpp
+++ b/Classification/examples/Classification/gis_tutorial_example.cpp
@@ -474,7 +474,8 @@ int main (int argc, char** argv)
   for (Mesh::Halfedge_index hi : holes)
     if (hi != outer_hull)
       CGAL::Polygon_mesh_processing::triangulate_refine_and_fair_hole
-        (dtm_mesh, hi, CGAL::Emptyset_iterator(), CGAL::Emptyset_iterator());
+        (dtm_mesh, hi, CGAL::Emptyset_iterator(), CGAL::Emptyset_iterator(),
+         CGAL::parameters::fairing_continuity(0));
 
   // Save DTM with holes filled
   std::ofstream dtm_filled_ofile ("dtm_filled.ply", std::ios_base::binary);
@@ -736,7 +737,7 @@ int main (int argc, char** argv)
                                             points.range(label_map)).mean_intersection_over_union() << std::endl;
 
     // Save the classified point set
-    std::ofstream classified_ofile ("classified.ply");
+    std::ofstream classified_ofile ("classification_gis_tutorial.ply");
     CGAL::IO::set_binary_mode (classified_ofile);
     classified_ofile << points;
     classified_ofile.close();