diff --git a/Polygon_mesh_processing/examples/Polygon_mesh_processing/polyhedral_envelope_mesh_containment.cpp b/Polygon_mesh_processing/examples/Polygon_mesh_processing/polyhedral_envelope_mesh_containment.cpp
index 2a52468cff8..3b93bd69031 100644
--- a/Polygon_mesh_processing/examples/Polygon_mesh_processing/polyhedral_envelope_mesh_containment.cpp
+++ b/Polygon_mesh_processing/examples/Polygon_mesh_processing/polyhedral_envelope_mesh_containment.cpp
@@ -34,5 +34,6 @@ int main(int argc, char* argv[])
       std::cout << "inside polyhedral envelope" << std::endl;
     }
   }
+  std::cout << "done" << std::endl;
   return 0;
 }