diff --git a/Controller.vb b/Controller.vb
index f4e7f60..6e499c7 100644
--- a/Controller.vb
+++ b/Controller.vb
@@ -194,7 +194,6 @@ Public Class Controller
    Private EXTEND_STD_INCH As Double = 50.8
    Private EXTEND_ADD As Double = 10
    Private EXTEND_BIG_ADD As Double = 200
-   Private OFFSET_STD As Double = 0
 
    ' Metodi
    Public Function NewProject(Optional ByVal bCreatePart As Boolean = False) As Boolean
@@ -4907,7 +4906,7 @@ Public Class Controller
          End If
          ' imposto stato a lunghezza di offset
          m_nStep = 1
-         m_dLast = OFFSET_STD
+         m_dLast = 0
          m_dPrev = m_dLast
          m_Scene.SetStatusSelPoint(False)
          ' abilito dialogo "OFFSET", "Insert Distance", "Copy"
@@ -4918,9 +4917,7 @@ Public Class Controller
          RaiseEvent AddInputBoxCombo(EgtMsg(2438), True)              ' Fillet
          RaiseEvent AddInputBoxCombo(EgtMsg(2439), False)             ' Chamfer
          RaiseEvent AddInputBoxCombo(EgtMsg(2440), False)             ' Extend
-         EgtDisableModified()
-         DragOffset()
-         EgtEnableModified()
+         EgtDraw()
       Case 1
          ' reset stato scena
          m_Scene.ResetStatus(False)