diff --git a/LuaLibs/ProcessDoubleCut.lua b/LuaLibs/ProcessDoubleCut.lua
index 3a809c1..2b8dce9 100644
--- a/LuaLibs/ProcessDoubleCut.lua
+++ b/LuaLibs/ProcessDoubleCut.lua
@@ -272,6 +272,7 @@ function ProcessDoubleCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead)
    else
       -- eseguo
       local sCutType = EgtIf( bHead, 'HeadSide', 'TailSide')
+      local bDownHead = ( BD.DOWN_HEAD and vtNm:getZ() < BD.NZ_MINB)
       local bOk, sErr = Fbs.MakeTwo( Proc, nPhase, nRawId, nPartId, dOvmHead, sCutType, false, bDownHead)
       if not bOk then return bOk, sErr end
       -- segnalazione ingombro di testa o coda