diff --git a/src/Mod/Assembly/Gui/Command.cpp b/src/Mod/Assembly/Gui/Command.cpp
index 65d004f72f..b626b2e66b 100644
--- a/src/Mod/Assembly/Gui/Command.cpp
+++ b/src/Mod/Assembly/Gui/Command.cpp
@@ -82,7 +82,7 @@ void CmdAssemblyAddNewPart::activated(int iMsg)
     Command::addModule(App,"PartDesign");
     Command::addModule(Gui,"PartDesignGui");
 
-#if 0  // test code for children nesting 
+#if 1  // test code for children nesting 
     Command::addModule(App,"Part");
     std::string BodyName = getUniqueObjectName("Box");
     doCommand(Doc,"App.activeDocument().addObject('Part::Box','%s')",BodyName.c_str());
diff --git a/src/Mod/Assembly/Gui/ViewProvider.h b/src/Mod/Assembly/Gui/ViewProvider.h
index a28bb51a38..e3462c28cc 100644
--- a/src/Mod/Assembly/Gui/ViewProvider.h
+++ b/src/Mod/Assembly/Gui/ViewProvider.h
@@ -40,6 +40,8 @@ public:
     /// destructor
     virtual ~ViewProviderItem();
 
+    virtual bool useNewSelectionModel(void) const {return false;}
+
     // returns the root node where the children gets collected(3D)
     virtual SoGroup* getChildRoot(void) const {return pcChildren;}