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 7e214e481f5..7ebc50a1f30 100644
--- a/Classification/examples/Classification/gis_tutorial_example.cpp
+++ b/Classification/examples/Classification/gis_tutorial_example.cpp
@@ -736,7 +736,7 @@ 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 ("classified_gis_tutorial.ply");
     CGAL::IO::set_binary_mode (classified_ofile);
     classified_ofile << points;
     classified_ofile.close();