diff --git a/Pocketing.cpp b/Pocketing.cpp
index 71dbe09..eab7d75 100644
--- a/Pocketing.cpp
+++ b/Pocketing.cpp
@@ -7812,8 +7812,7 @@ Pocketing::ComputeTrapezoidSpiralLeadInLeadOut( ICurveComposite* pCompo, const V
       double dDistRef = dDist ;
       double dDistMin ;
       Vector3d vtNormMin ;
-      //if ( CalcDistanceFromRawSurface( m_nPhase, ptP, vtNorm, dDistMin, vtNormMin)) {
-      if ( GetSignedDistFromStmRaw( m_nPhase, ptP, vtDir, dDistMin, vtNorm)) {
+      if ( abs( vtTool * vtNorm) < 0.5  &&  GetSignedDistFromStmRaw( m_nPhase, ptP, vtDir, dDistMin, vtNorm)) {
          if ( abs( dDistMin) < abs( dDist) && abs( dDistMin) > EPS_SMALL) {
             dDistRef = dDistMin ;
             dCorr = dDist / dDistMin ;