diff --git a/VolZmapVolume.cpp b/VolZmapVolume.cpp
index 3558439..16af3bd 100644
--- a/VolZmapVolume.cpp
+++ b/VolZmapVolume.cpp
@@ -2438,7 +2438,7 @@ VolZmap::MillingGeneralMotionStep( const Point3d& ptPs, const Vector3d& vtDs, co
                                    const Point3d& ptPe, const Vector3d& vtDe, const Vector3d& vtAe)
 {
   // Flag per impostare vecchia (approssimativa) o nuova modalità di calcolo
-   constexpr bool OLD_LINEAR = true ;
+   constexpr bool OLD_LINEAR = false ;
 
   // Deve essere definito l'utensile corrente
    if ( m_nCurrTool < 0  ||  m_nCurrTool >= int( m_vTool.size()))
@@ -2535,8 +2535,12 @@ VolZmap::MillingGeneralMotionStep( const Point3d& ptPs, const Vector3d& vtDs, co
       else
          n5AxisType = Move5Axis::NO_BASE_INTERS ;
    }
-   else if ( bAlong)
-      n5AxisType = Move5Axis::NO_BASE_INTERS ;
+   else if (bAlong) {
+       if (bAlongInters)
+           n5AxisType = Move5Axis::ACROSS;
+       else
+           n5AxisType = Move5Axis::NO_BASE_INTERS;
+   }
 
    vector<Point3d[N_MAPS]> ptLs( nStepCnt) ;
    vector<Point3d[N_MAPS]> ptLe( nStepCnt) ;