diff --git a/src/Mod/Part/App/Geometry.cpp b/src/Mod/Part/App/Geometry.cpp
index 8b4d4fae58..f6008415ff 100644
--- a/src/Mod/Part/App/Geometry.cpp
+++ b/src/Mod/Part/App/Geometry.cpp
@@ -1482,7 +1482,7 @@ bool GeomConic::isReversed() const
 
 // -------------------------------------------------
 
-TYPESYSTEM_SOURCE(Part::GeomTrimmedCurve,Part::GeomCurve)
+TYPESYSTEM_SOURCE(Part::GeomTrimmedCurve,Part::GeomBoundedCurve)
 
 GeomTrimmedCurve::GeomTrimmedCurve()
 {
diff --git a/src/Mod/Part/App/Geometry.h b/src/Mod/Part/App/Geometry.h
index a692874958..62e1a07abd 100644
--- a/src/Mod/Part/App/Geometry.h
+++ b/src/Mod/Part/App/Geometry.h
@@ -333,7 +333,7 @@ public:
     const Handle(Geom_Geometry)& handle() const = 0;
 };
 
-class PartExport GeomTrimmedCurve : public GeomCurve
+class PartExport GeomTrimmedCurve : public GeomBoundedCurve
 {
     TYPESYSTEM_HEADER();
 public:
@@ -373,9 +373,11 @@ public:
     virtual ~GeomArcOfConic();
     virtual Geometry *copy(void) const = 0;
 
-    Base::Vector3d getStartPoint(bool emulateCCWXY=false) const;
-    Base::Vector3d getEndPoint(bool emulateCCWXY=false) const;
+    Base::Vector3d getStartPoint(bool emulateCCWXY) const;
+    Base::Vector3d getEndPoint(bool emulateCCWXY) const;
 
+    inline virtual Base::Vector3d getStartPoint() const {return getStartPoint(false);};
+    inline virtual Base::Vector3d getEndPoint() const {return getEndPoint(false);};
     /*!
      * \deprecated use getLocation
      * \brief getCenter