diff --git a/LuaLibs/ProcessCut.lua b/LuaLibs/ProcessCut.lua
index cacc7f2..2700ce5 100644
--- a/LuaLibs/ProcessCut.lua
+++ b/LuaLibs/ProcessCut.lua
@@ -767,7 +767,9 @@ function ProcessCut.Make( Proc, nPhase, nRawId, nPartId, dOvmHead, bFromBottom,
    -- recupero la lavorazione
    local sCutType = EgtIf( Proc.Head, 'HeadSide', 'TailSide')
    local sCutting
-   sCutting, bDownHead = ML.FindCutting( sCutType, bTopHead, bDownHead)
+   local bH2
+   sCutting, bH2 = ML.FindCutting( sCutType, bTopHead, bDownHead)
+   bDownHead = bH2 and bDownHead
    if not sCutting then
       local sErr = 'Error : cutting not found in library'
       EgtOutLog( sErr)