diff --git a/src/Mod/TechDraw/Gui/ViewProviderPage.h b/src/Mod/TechDraw/Gui/ViewProviderPage.h
index 1a81a39c96..13bb28b023 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderPage.h
+++ b/src/Mod/TechDraw/Gui/ViewProviderPage.h
@@ -92,7 +92,7 @@ public:
     void toggleFrameState(void);
     void setTemplateMarkers(bool state);
     void setGraphicsView(QGVPage* gv);
-    virtual bool canDelete(App::DocumentObject* obj) const;
+    virtual bool canDelete(App::DocumentObject* obj) const override;
 
 protected:
     bool setEdit(int ModNum) override;
diff --git a/src/Mod/TechDraw/Gui/ViewProviderTemplate.h b/src/Mod/TechDraw/Gui/ViewProviderTemplate.h
index 9fa993f4b5..6b5f3dec2e 100644
--- a/src/Mod/TechDraw/Gui/ViewProviderTemplate.h
+++ b/src/Mod/TechDraw/Gui/ViewProviderTemplate.h
@@ -60,7 +60,7 @@ public:
     virtual Gui::MDIView *getMDIView() const override;
 
     void setMarkers(bool state);
-    virtual bool onDelete(const std::vector<std::string> &);
+    virtual bool onDelete(const std::vector<std::string> &) override;
 };
 
 } // namespace TechDrawGui