diff --git a/semantic/semanticmemento.h b/semantic/semanticmemento.h
index a595569..29cff4b 100644
--- a/semantic/semanticmemento.h
+++ b/semantic/semanticmemento.h
@@ -1,60 +1,60 @@
 /*
    Copyright (c) 2017 Volker Krause <vkrause@kde.org>
 
    This library is free software; you can redistribute it and/or modify it
    under the terms of the GNU Library General Public License as published by
    the Free Software Foundation; either version 2 of the License, or (at your
    option) any later version.
 
    This library is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
    License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to the
    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
 */
 
 #ifndef SEMANTICMEMENTO_H
 #define SEMANTICMEMENTO_H
 
 #include <MimeTreeParser/BodyPart>
 
 #include <QSet>
 #include <QVariant>
 #include <QVector>
 
 namespace KMime {
 class ContentIndex;
 }
 
 /** Memento holding the semantic information extracted for an email. */
 class SemanticMemento : public MimeTreeParser::Interface::BodyPartMemento
 {
 public:
-    ~SemanticMemento() = default;
+    ~SemanticMemento() override = default;
     void detach() override;
     bool isEmpty() const;
 
     bool isParsed(const KMime::ContentIndex &index) const;
     void setParsed(const KMime::ContentIndex &index);
 
     QVector<QVariant> data() const;
     void setData(const QVector<QVariant> &data);
 
     QVector<bool> expanded() const;
     void toggleExpanded(int index);
 
     bool hasStructuredData() const;
     void setStructuredDataFound(bool f);
 
 private:
     QVector<QVariant> m_data;
     QVector<bool> m_expanded;
     QSet<KMime::ContentIndex> m_parsedParts;
     bool m_foundStructuredData = false;
 };
 
 #endif // SEMANTICMEMENTO_H