diff --git a/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/LengthScoreExtractor.h b/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/LengthScoreExtractor.h
index 5c29ca3..8712a44 100644
--- a/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/LengthScoreExtractor.h
+++ b/hoot-core/src/main/cpp/hoot/core/algorithms/extractors/LengthScoreExtractor.h
@@ -22,7 +22,7 @@
* This will properly maintain the copyright information. DigitalGlobe
* copyrights will be updated automatically.
*
- * @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 LENGTHSCOREEXTRACTOR_H
#define LENGTHSCOREEXTRACTOR_H
@@ -43,7 +43,8 @@ public:
LengthScoreExtractor(ValueAggregatorPtr wayAgg);
- LengthScoreExtractor();
+ LengthScoreExtractor() = default;
+ virtual ~LengthScoreExtractor() = default;
virtual std::string getClassName() const override { return className(); }