diff --git a/MachMgrMachines.cpp b/MachMgrMachines.cpp
index d8b1589..6c5c9f8 100644
--- a/MachMgrMachines.cpp
+++ b/MachMgrMachines.cpp
@@ -93,12 +93,11 @@ MachMgr::GetCurrMachineName( string& sMachineName) const
 bool
 MachMgr::GetCurrMachineDir( string& sMachineDir) const
 {
-  // recupero la macchina
-   Machine* pMch = GetCurrMachine() ;
-   if ( pMch == nullptr)
+  // verifico validità indice macchina corrente
+   if ( m_nCurrMch < 0  ||  m_nCurrMch >= int( m_vMachines.size()))
       return false ;
-  // assegno il relativo direttorio
-   sMachineDir = pMch->GetMachineDir() ;
+  // assegno il direttorio
+   sMachineDir = m_sMachinesDir + "\\" + m_vMachines[m_nCurrMch].sName ;
    return true ;
 }