diff --git a/LuaLibs/ProcessCut.lua b/LuaLibs/ProcessCut.lua
index 4ae224f..5e2efe0 100644
--- a/LuaLibs/ProcessCut.lua
+++ b/LuaLibs/ProcessCut.lua
@@ -851,7 +851,7 @@ function ProcessCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead, bFromBottom,
       if not bOk then return false, sErr end
    -- altrimenti taglio con testa da sotto
    else
-      local bOk, sErr = MakeFromDown( sCutting, Proc, nPhase, nRawId, nPartId, dOvmHead, nLimitingSurf)
+      local bOk, sErr = MakeFromDown( sCutting, Proc, nPhase, nRawId, nPartId, dOvmHead)
       if not bOk then return false, sErr end
    end
    -- Aggiornamento ingombro (se vero taglio o richiesto)