diff --git a/src/Mod/Sketcher/App/SketchObject.h b/src/Mod/Sketcher/App/SketchObject.h
index 57c02b3bce..6ff1fa374d 100644
--- a/src/Mod/Sketcher/App/SketchObject.h
+++ b/src/Mod/Sketcher/App/SketchObject.h
@@ -55,7 +55,7 @@ class SketchAnalysis;
 
 class SketcherExport SketchObject : public Part::Part2DObject
 {
-    PROPERTY_HEADER(Sketcher::SketchObject);
+    PROPERTY_HEADER_WITH_OVERRIDE(Sketcher::SketchObject);
 
 public:
     SketchObject();
@@ -67,12 +67,12 @@ public:
     App     ::PropertyLinkSubList    ExternalGeometry;
     /** @name methods override Feature */
     //@{
-    short mustExecute() const;
+    short mustExecute() const override;
     /// recalculate the Feature (if no recompute is needed see also solve() and solverNeedsUpdate boolean)
-    App::DocumentObjectExecReturn *execute(void);
+    App::DocumentObjectExecReturn *execute(void) override;
 
     /// returns the type name of the ViewProvider
-    const char* getViewProviderName(void) const {
+    const char* getViewProviderName(void) const override {
         return "SketcherGui::ViewProviderSketch";
     }
     //@}
@@ -302,17 +302,17 @@ public:
     int port_reversedExternalArcs(bool justAnalyze);
 
     // from base class
-    virtual PyObject *getPyObject(void);
-    virtual unsigned int getMemSize(void) const;
-    virtual void Save(Base::Writer &/*writer*/) const;
-    virtual void Restore(Base::XMLReader &/*reader*/);
+    virtual PyObject *getPyObject(void) override;
+    virtual unsigned int getMemSize(void) const override;
+    virtual void Save(Base::Writer &/*writer*/) const override;
+    virtual void Restore(Base::XMLReader &/*reader*/) override;
 
     /// returns the number of construction lines (to be used as axes)
-    virtual int getAxisCount(void) const;
+    virtual int getAxisCount(void) const override;
     /// retrieves an axis iterating through the construction lines of the sketch (indices start at 0)
-    virtual Base::Axis getAxis(int axId) const;
+    virtual Base::Axis getAxis(int axId) const override;
     /// verify and accept the assigned geometry
-    virtual void acceptGeometry();
+    virtual void acceptGeometry() override;
     /// Check if constraint has invalid indexes
     bool evaluateConstraint(const Constraint *constraint) const;
     /// Check for constraints with invalid indexes
@@ -410,11 +410,11 @@ public:
 
 protected:
     /// get called by the container when a property has changed
-    virtual void onChanged(const App::Property* /*prop*/);
-    virtual void onDocumentRestored();
-    virtual void restoreFinished();
+    virtual void onChanged(const App::Property* /*prop*/) override;
+    virtual void onDocumentRestored() override;
+    virtual void restoreFinished() override;
 
-    virtual void setExpression(const App::ObjectIdentifier &path, boost::shared_ptr<App::Expression> expr);
+    virtual void setExpression(const App::ObjectIdentifier &path, boost::shared_ptr<App::Expression> expr) override;
 
     std::string validateExpression(const App::ObjectIdentifier &path, boost::shared_ptr<const App::Expression> expr);