diff --git a/src/Mod/Raytracing/App/LuxProject.cpp b/src/Mod/Raytracing/App/LuxProject.cpp
index 70a918341..c293dbbad 100644
--- a/src/Mod/Raytracing/App/LuxProject.cpp
+++ b/src/Mod/Raytracing/App/LuxProject.cpp
@@ -87,8 +87,8 @@ App::DocumentObjectExecReturn *LuxProject::execute(void)
             << "# Generated by FreeCAD (http://www.freecadweb.org/)" << endl << endl;
             const std::vector<App::DocumentObject*> &Grp = Group.getValues();
             for (std::vector<App::DocumentObject*>::const_iterator It= Grp.begin();It!=Grp.end();++It) {
-                if ((*It)->getTypeId().isDerivedFrom(Raytracing::LuxFeature::getClassTypeId())) {
-                    Raytracing::LuxFeature *View = dynamic_cast<Raytracing::LuxFeature *>(*It);
+                if ((*It)->getTypeId().isDerivedFrom(Raytracing::RaySegment::getClassTypeId())) {
+                    Raytracing::RaySegment *View = dynamic_cast<Raytracing::RaySegment *>(*It);
                     ofile << View->Result.getValue();
                     ofile << endl;
                 }
diff --git a/src/Mod/Raytracing/App/RayProject.cpp b/src/Mod/Raytracing/App/RayProject.cpp
index adc790389..c9401efdd 100644
--- a/src/Mod/Raytracing/App/RayProject.cpp
+++ b/src/Mod/Raytracing/App/RayProject.cpp
@@ -81,8 +81,8 @@ App::DocumentObjectExecReturn *RayProject::execute(void)
             // get through the children and collect all the views
             const std::vector<App::DocumentObject*> &Grp = Group.getValues();
             for (std::vector<App::DocumentObject*>::const_iterator It= Grp.begin();It!=Grp.end();++It) {
-                if ((*It)->getTypeId().isDerivedFrom(Raytracing::RayFeature::getClassTypeId())) {
-                    Raytracing::RayFeature *View = dynamic_cast<Raytracing::RayFeature *>(*It);
+                if ((*It)->getTypeId().isDerivedFrom(Raytracing::RaySegment::getClassTypeId())) {
+                    Raytracing::RaySegment *View = dynamic_cast<Raytracing::RaySegment *>(*It);
                     ofile << View->Result.getValue();
                     ofile << endl << endl << endl;
                 }
diff --git a/src/Mod/Raytracing/App/RaySegment.h b/src/Mod/Raytracing/App/RaySegment.h
index 9aa84d592..5e3b323c0 100644
--- a/src/Mod/Raytracing/App/RaySegment.h
+++ b/src/Mod/Raytracing/App/RaySegment.h
@@ -54,6 +54,11 @@ public:
     //@{
     /// recalculate the Feature
     virtual App::DocumentObjectExecReturn *execute(void);
+    
+    /// returns the type name of the ViewProvider
+    const char* getViewProviderName(void) const { 
+        return "Gui::ViewProviderDocumentObject"; 
+    }
     //@}
 };