diff --git a/src/Mod/TechDraw/Gui/QGIDimLines.h b/src/Mod/TechDraw/Gui/QGIDimLines.h
index 6f91b0aad0..84158f49dd 100644
--- a/src/Mod/TechDraw/Gui/QGIDimLines.h
+++ b/src/Mod/TechDraw/Gui/QGIDimLines.h
@@ -40,7 +40,7 @@ public:
     ~QGIDimLines() {}
 
     enum {Type = QGraphicsItem::UserType + 175};
-    int type() const { return Type;}
+    int type() const override { return Type;}
     virtual QRectF boundingRect() const override;
     virtual QPainterPath shape() const override;
 
@@ -50,7 +50,7 @@ public:
     //double getLineWidth() { return m_lineWidth; }
     //void setLineWidth(double w);
     //QPainterPath shape() const;
-    virtual void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0 );
+    virtual void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0) override;
 
 protected:
     //QVariant itemChange(GraphicsItemChange change, const QVariant &value);