diff --git a/ProjectPage/OptionPanel/MachiningOptionPanel/SimulationExpander/SimulationExpanderViewModel.vb b/ProjectPage/OptionPanel/MachiningOptionPanel/SimulationExpander/SimulationExpanderViewModel.vb
index 294c803..c21692d 100644
--- a/ProjectPage/OptionPanel/MachiningOptionPanel/SimulationExpander/SimulationExpanderViewModel.vb
+++ b/ProjectPage/OptionPanel/MachiningOptionPanel/SimulationExpander/SimulationExpanderViewModel.vb
@@ -42,6 +42,7 @@ Namespace EgtCAM5
             Else
                Application.Msn.NotifyColleagues(Application.SETDRAWISENABLED, False)
             End If
+            EgtSimSetUiStatus(m_nStatus)
          End Set
       End Property