diff --git a/LuaLibs/CalcToolPath.lua b/LuaLibs/CalcToolPath.lua
index ab5e900..c09b711 100644
--- a/LuaLibs/CalcToolPath.lua
+++ b/LuaLibs/CalcToolPath.lua
@@ -1549,8 +1549,9 @@ local function VerifyRibsLead( nId, nRibId, bInVsOut, nGrpTmp)
       local vtE = EgtUV( nLeadLoc, dParCrv, -1)
       local dLenCrv = EgtCurveCompoLength( nLeadLoc, dParCrv - 1)
       if AreSameVectorApprox( vtS, vtE) and vtS * vtDir < - 1 + GEO.EPS_SMALL and dLenCrv > dStrand + GEO.EPS_SMALL then
-         local dDist = EgtPointCurveDist( EgtUP( nLeadLoc, dParCrv - 0.5), nRibLoc)
-         EgtCopyGlob( nLeadLoc, nGrpTmp)
+         local vtDist = EgtUP( nLeadLoc, dParCrv - 0.5) - EgtMP( nRibLoc)
+         local vtOrthoDist = vtDist - ( vtDist * vtDir) * vtDir
+         local dDist = vtOrthoDist:len()
          if dDist < dStrand + GEO.EPS_SMALL then
             return false
          end
diff --git a/Version.lua b/Version.lua
index 8609263..c284358 100644
--- a/Version.lua
+++ b/Version.lua
@@ -1,4 +1,4 @@
 -- Version.lua by Egaltech s.r.l. 2024/05/06
 -- Gestione della versione di 3dPrinting
 
-VERSION = '2.6f1'
\ No newline at end of file
+VERSION = '2.6g2'
\ No newline at end of file