diff --git a/LuaLibs/ProcessLongCut.lua b/LuaLibs/ProcessLongCut.lua
index 13875c6..a7ee835 100644
--- a/LuaLibs/ProcessLongCut.lua
+++ b/LuaLibs/ProcessLongCut.lua
@@ -1391,7 +1391,7 @@ function ProcessLongCut.Make( Proc, nPhase, nRawId, nPartId, bCustUseBlade, nCus
             -- aggiungo geometria
             EgtSetMachiningGeometry( {{ Proc.Id, 0}})
             -- inverto se utensile antiorario per garantire senso di percorrenza migliore
-            local bInvert = EgtMdbGetCurrMachiningParam( MCH_MP.SPEED) < 0
+            local bInvert = EgtMdbGetCurrMachiningParam( MCH_MP.SPEED) > 0
             -- setto workside e eventuale inversione
             if bInvert then
                EgtSetMachiningParam( MCH_MP.WORKSIDE, MCH_MILL_WS.RIGHT)