diff --git a/LuaLibs/ProcessProfCamb.lua b/LuaLibs/ProcessProfCamb.lua
index af4fc13..c4c6d88 100644
--- a/LuaLibs/ProcessProfCamb.lua
+++ b/LuaLibs/ProcessProfCamb.lua
@@ -796,8 +796,10 @@ function ProcessProfCamb.Make( Proc, nPhase, nRawId, nPartId, dCurrOvmH)
          if bDoubleFinishMill then
             local sNewName = 'FinB_' .. ( EgtGetName( Proc.Id) or tostring( Proc.Id))
             local nMch2Id = EgtCopyMachining( sNewName, EgtGetName( nMchId))
+            -- ottengo l'inversione e setto il contrario
+            local bInvertMode = EgtGetMachiningParam( MCH_MP.INVERT)
+            EgtSetMachiningParam( MCH_MP.INVERT, not bInvertMode)
             EgtSetMachiningParam( MCH_MP.TOOLINVERT, true)
-            EgtSetMachiningParam( MCH_MP.INVERT, true)
 
             -- eseguo
             if not ML.ApplyMachining( true, false) then