diff --git a/BatchProcessNew.lua b/BatchProcessNew.lua
index 65657eb..b0203b0 100644
--- a/BatchProcessNew.lua
+++ b/BatchProcessNew.lua
@@ -362,7 +362,7 @@ if bToProcess then
       -- Verifico sezione barra non troppo piccola
       if dRawW < BD.MIN_WIDTH - 10 * GEO.EPS_SMALL or dRawH < BD.MIN_HEIGHT - 10 * GEO.EPS_SMALL then
          local sOut = 'Sezione ('  .. EgtNumToString( dRawW, 2) .. ' x ' .. EgtNumToString( dRawH, 2) .. ') ' ..
-               c      'sotto i limiti della macchina (' .. EgtNumToString( BD.MIN_WIDTH, 2) .. ' x ' .. EgtNumToString( BD.MIN_HEIGHT, 2) .. ')'
+                      'sotto i limiti della macchina (' .. EgtNumToString( BD.MIN_WIDTH, 2) .. ' x ' .. EgtNumToString( BD.MIN_HEIGHT, 2) .. ')'
          BEAM.ERR = 17
          BEAM.MSG = sOut
          WriteErrToLogFile( BEAM.ERR, BEAM.MSG)
diff --git a/LuaLibs/ProcessFreeContour.lua b/LuaLibs/ProcessFreeContour.lua
index ae576ab..19ee90d 100644
--- a/LuaLibs/ProcessFreeContour.lua
+++ b/LuaLibs/ProcessFreeContour.lua
@@ -310,8 +310,10 @@ local function MakeByMill( Proc, nPhase, nRawId, nPartId, dOvmHead)
       bToolInv = true
    end
    -- verifico se primo e ultimo tratti corti e con angolo
-   local dStartAddSpec = CalcSpecialAdd( AuxId, true, dToolDiam)
-   local dEndAddSpec = CalcSpecialAdd( AuxId, false, dToolDiam)
+   local dStartAddSpec = 0
+   if Proc.Grp ~= 0 then dStartAddSpec = CalcSpecialAdd( AuxId, true, dToolDiam) end
+   local dEndAddSpec = 0
+   if Proc.Grp ~= 0 then dEndAddSpec = CalcSpecialAdd( AuxId, false, dToolDiam) end
    -- se devo inserire il chamfer
    if nChamfer > 0 and Proc.Grp ~= 0 and dOriDepth > dDepthCham then
       local bDoubleCham = false