diff --git a/SurfFinishing.cpp b/SurfFinishing.cpp
index 9561562..5a54667 100644
--- a/SurfFinishing.cpp
+++ b/SurfFinishing.cpp
@@ -1385,7 +1385,7 @@ SurfFinishing::AddZigZag( ICAvToolSurfTm* pCAvTlStm, const Frame3d& frSurf, cons
    double dPockRadOffs = m_TParams.m_dDiam / 2 - m_Params.m_dSideStep - m_Params.m_dOverlap ;
    ICRVCOMPOPOVECTOR vpCrvs ;
    if ( ! CalcPocketing( pSfrPock, dPockRad, dPockRadOffs, m_Params.m_dSideStep, m_Params.m_dSideAngle,
-                         POCKET_ZIGZAG, false, false, nullptr, vpCrvs)) {
+                         POCKET_ZIGZAG, false, false, true, nullptr, vpCrvs)) {
       m_pMchMgr->SetLastError( 3125, "Error in SurfFinishing : CalcPocketing failed") ;
       return false ;
    }
@@ -1586,7 +1586,7 @@ SurfFinishing::AddOneWay( ICAvToolSurfTm* pCAvTlStm, const Frame3d& frSurf, cons
    double dPockRadOffs = m_TParams.m_dDiam / 2 - m_Params.m_dSideStep - m_Params.m_dOverlap ;
    ICRVCOMPOPOVECTOR vpCrvs ;
    if ( ! CalcPocketing( pSfrPock, dPockRad, dPockRadOffs, m_Params.m_dSideStep, m_Params.m_dSideAngle,
-                         POCKET_ONEWAY, false, false, nullptr, vpCrvs)) {
+                         POCKET_ONEWAY, false, false, true, nullptr, vpCrvs)) {
       m_pMchMgr->SetLastError( 3125, "Error in SurfFinishing : CalcPocketing failed") ;
       return false ;
    }
@@ -1788,7 +1788,7 @@ SurfFinishing::AddSpiral( ICAvToolSurfTm* pCAvTlStm, const Frame3d& frSurf, cons
    int nType = ( bInVsOut ? POCKET_SPIRALIN : POCKET_SPIRALOUT) ;
    ICRVCOMPOPOVECTOR vpCrvs ;
    if ( ! CalcPocketing( pSfrPock, dPockRad, dPockRadOffs, m_Params.m_dSideStep, m_Params.m_dSideAngle,
-                         nType, false, false, nullptr, vpCrvs)) {
+                         nType, false, false, true, nullptr, vpCrvs)) {
       m_pMchMgr->SetLastError( 3125, "Error in SurfFinishing : CalcPocketing failed") ;
       return false ;
    }
diff --git a/SurfRoughing.cpp b/SurfRoughing.cpp
index 002ba42..9e586ca 100644
--- a/SurfRoughing.cpp
+++ b/SurfRoughing.cpp
@@ -1804,7 +1804,7 @@ SurfRoughing::AddPocket( const INTINTVECTOR& vPocket, const Vector3d& vtTool, co
       ICRVCOMPOPOVECTOR vpCrvs ; // percorso di svuotatura
      // se si tratta di uno step base, allora lavoro l'intera superficie
       if ( ! CalcPocketing( pSfrPock, m_TParams.m_dDiam / 2, 0., m_Params.m_dSideStep, m_Params.m_dSideAngle,
-                            nSubType, true, bInvert, pSfrLimit, vpCrvs)) {
+                            nSubType, true, bInvert, false, pSfrLimit, vpCrvs)) {
          m_pMchMgr->SetLastError( 3028, "Error in SurfRoughing : Error in CalcPocketing") ;
          return false ;
       }