diff --git a/src/Mod/Sketcher/App/ExternalGeometryFacade.h b/src/Mod/Sketcher/App/ExternalGeometryFacade.h
index ac2c2b7dfd..9636cbec25 100644
--- a/src/Mod/Sketcher/App/ExternalGeometryFacade.h
+++ b/src/Mod/Sketcher/App/ExternalGeometryFacade.h
@@ -194,7 +194,7 @@ public:
             std::is_base_of<Part::Geometry, typename std::decay<GeometryT>::type>::value>::type>
     GeometryT* getGeometry()
     {
-        return dynamic_cast<GeometryT*>(const_cast<GeometryT*>(Geo));
+        return freecad_cast<GeometryT*>(const_cast<GeometryT*>(Geo));
     }
 
     // Geometry Element
@@ -204,7 +204,7 @@ public:
             std::is_base_of<Part::Geometry, typename std::decay<GeometryT>::type>::value>::type>
     GeometryT* getGeometry() const
     {
-        return dynamic_cast<GeometryT*>(Geo);
+        return freecad_cast<GeometryT*>(Geo);
     }
 
     PyObject* getPyObject() override;
diff --git a/src/Mod/Sketcher/App/GeometryFacade.h b/src/Mod/Sketcher/App/GeometryFacade.h
index 1b8e218484..1fdcd706f8 100644
--- a/src/Mod/Sketcher/App/GeometryFacade.h
+++ b/src/Mod/Sketcher/App/GeometryFacade.h
@@ -235,7 +235,7 @@ public:
             std::is_base_of<Part::Geometry, typename std::decay<GeometryT>::type>::value>::type>
     GeometryT* getGeometry()
     {
-        return dynamic_cast<GeometryT*>(const_cast<Part::Geometry*>(Geo));
+        return freecad_cast<GeometryT*>(const_cast<Part::Geometry*>(Geo));
     }
 
     // Geometry Element