diff --git a/RawPhoto/RawPartPageUC.xaml.vb b/RawPhoto/RawPartPageUC.xaml.vb
index 739a521..56b5d06 100644
--- a/RawPhoto/RawPartPageUC.xaml.vb
+++ b/RawPhoto/RawPartPageUC.xaml.vb
@@ -2305,7 +2305,7 @@ Public Class RawPartPageUC
 
    Private Sub ManualModeBtn_Click(sender As Object, e As RoutedEventArgs) Handles ManualModeBtn.Click
       ' Imposto modalità manuale della macchina
-      Dim nResult As Short = m_CN.DGeneralFunctions_WriteCncMode(7)     ' Modalità manuale
+      Dim nResult As Short = m_MainWindow.m_CNCommunication.m_CN.DGeneralFunctions_WriteCncMode(7)     ' Modalità manuale
 
    End Sub