diff --git a/LuaLibs/ProcessLongDoubleCut.lua b/LuaLibs/ProcessLongDoubleCut.lua
index 7d5f850..f1d4d58 100644
--- a/LuaLibs/ProcessLongDoubleCut.lua
+++ b/LuaLibs/ProcessLongDoubleCut.lua
@@ -1474,7 +1474,7 @@ function ProcessLong2Cut.Make( Proc, nPhase, nRawId, nPartId, bForcedBladeMaster
             end
          end
       end
-      if not Proc.bMoveAfterSplit and not bConvex and Proc.AffectedFaces.Left then
+      if not Proc.bMoveAfterSplit and not bConvex and Proc.AffectedFaces.Left and Proc.DistanceToNextPart < ( dToolDiam / 2 + 5) then
          -- recupero gruppo per geometria addizionale
          local nAddGrpId = BL.GetAddGroup( nPartId)
          if not nAddGrpId then