Index: sources/gui/qml/pages/MainStack.qml
===================================================================
diff -u -r376859852f4d1a07263c44524aec347db29e0133 -rac23b968f565c2beeb153ca2d554b8f868634512
--- sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision 376859852f4d1a07263c44524aec347db29e0133)
+++ sources/gui/qml/pages/MainStack.qml	(.../MainStack.qml)	(revision ac23b968f565c2beeb153ca2d554b8f868634512)
@@ -46,7 +46,7 @@
     DisinfectStack                  { id: _disinfectStack                   }
     // Pre Treatment
     PreTreatmentCreateStack         { id: _preTreatmentCreateStack          }
-    PreTreatmentMainStack           { id: _preTreatmentMainStack            }
+    PreTreatmentStack               { id: _preTreatmentStack                }
     // In TreatmentStack
     TreatmentStack                  { id: _treatmentStack
         // please be careful about the _root.pop.
@@ -95,7 +95,7 @@
         onStandbyWaitDisinfectChanged   : { page( _disinfectStack                   , vstandbyWaitDisinfect     )}
 
         onValidateParametersChanged     : { page( _preTreatmentCreateStack          , vvalidateParameters       )}
-        onPreTreatmentChanged           : { page( _preTreatmentMainStack            , vpreTreatment             )}
+        onPreTreatmentChanged           : { page( _preTreatmentStack                , vpreTreatment             )}
         onInTreatmentChanged            : { page( _treatmentStack                   , vinTreatment              )}
         onPostTreatmentChanged          : { page( _postTreatmentStack               , vpostTreatment            )}
         onInvalidModeChanged            : { page( null                              , vinvalidMode              )}