diff --git a/OptionPanel/MachiningOptionPanel/SimulationExpander/SimulationExpanderVM.vb b/OptionPanel/MachiningOptionPanel/SimulationExpander/SimulationExpanderVM.vb
index 65994d4..a83b023 100644
--- a/OptionPanel/MachiningOptionPanel/SimulationExpander/SimulationExpanderVM.vb
+++ b/OptionPanel/MachiningOptionPanel/SimulationExpander/SimulationExpanderVM.vb
@@ -109,7 +109,12 @@ Public Class SimulationExpanderVM
                                                      .OverwritePrompt = True,
                                                      .ValidateNames = False}
          If NewSaveFileDialog.ShowDialog() = Forms.DialogResult.Cancel Then Return
-         EgtSetInfo(EgtGetCurrMachGroup(), KEY_MCHGRP_NCNAME, NewSaveFileDialog.FileName)
+         Dim sNcFilePath As String = NewSaveFileDialog.FileName
+         If sNcFilePath.StartsWith( Path.GetDirectoryName( sCurrFilePath)) Then
+            EgtSetInfo(EgtGetCurrMachGroup(), KEY_MCHGRP_NCNAME, Path.GetFileName( sNcFilePath))
+         Else
+            EgtSetInfo(EgtGetCurrMachGroup(), KEY_MCHGRP_NCNAME, sNcFilePath)
+         End If
       End If
 
       ' Recupero la fase corrente