diff --git a/src/gui/mainwindow.h b/src/gui/mainwindow.h
index 8615006..9fc5f19 100644
--- a/src/gui/mainwindow.h
+++ b/src/gui/mainwindow.h
@@ -70,8 +70,8 @@ protected:
 
     void enableActions();
 
-    void closeEvent(QCloseEvent*);
-    void changeEvent(QEvent* event);
+    void closeEvent(QCloseEvent*) override;
+    void changeEvent(QEvent* event) override;
 
     void setSavedSelectedDeviceNode(const QString& s) {
         m_SavedSelectedDeviceNode = s;
diff --git a/src/gui/smartdialogwidget.cpp b/src/gui/smartdialogwidget.cpp
index 8b8ff02..5ee3f53 100644
--- a/src/gui/smartdialogwidget.cpp
+++ b/src/gui/smartdialogwidget.cpp
@@ -34,7 +34,7 @@ class SmartAttrDelegate : public QStyledItemDelegate
 public:
     SmartAttrDelegate() : QStyledItemDelegate() {}
 
-    virtual void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
+    virtual void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
 };
 
 void SmartAttrDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const