diff --git a/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/HausdorffDistanceExtractor.h b/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/HausdorffDistanceExtractor.h
index 8d5d858..3783af3 100644
--- a/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/HausdorffDistanceExtractor.h
+++ b/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/HausdorffDistanceExtractor.h
@@ -23,7 +23,7 @@
* copyrights will be updated automatically.
*
* @copyright Copyright (C) 2005 VividSolutions (http://www.vividsolutions.com/)
- * @copyright Copyright (C) 2015, 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2015, 2017, 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
*/
#ifndef HAUSDORFFDISTANCEMATCHER_H
#define HAUSDORFFDISTANCEMATCHER_H
@@ -47,6 +47,9 @@ class HausdorffDistanceExtractor : public AbstractDistanceExtractor
public:
static std::string className() { return "hoot::HausdorffDistanceExtractor"; }
+ HausdorffDistanceExtractor() = default;
+ virtual ~HausdorffDistanceExtractor() = default;
+
virtual double distance(const OsmMap& map, const std::shared_ptr<const Element>& target,
const std::shared_ptr<const Element>& candidate) const override;