diff --git a/LuaLibs/ProcessSplit.lua b/LuaLibs/ProcessSplit.lua
index b221d5d..f2d888d 100644
--- a/LuaLibs/ProcessSplit.lua
+++ b/LuaLibs/ProcessSplit.lua
@@ -374,7 +374,7 @@ local function MakeStandardCuts( Proc, b3Raw, nCuts, dOffsetBetweenCuts, TailCut
       local dCutExtra = 0
       local dAccStart = 0
       local dAccEnd = 0
-      if TailCutType.bBigSectionCut and BD.C_SIMM then
+      if TailCutType.bBigSectionCut and BD.C_SIMM and b3Raw:getDimZ() > BD.MIN_DIM_HBEAM + 10 * GEO.EPS_SMALL then
          -- qui arrivano sezioni molto grandi su macchine tipo PF con materiale da asportare inferiore allo spessore lama
          local dSawRad = Cutting1Data.dSawDiam / 2
          dCutExtra = - ( b3Raw:getDimY() - dSawRad)