diff --git a/LuaLibs/ProcessDtTenon.lua b/LuaLibs/ProcessDtTenon.lua
index e8f3686..e2e2a5c 100644
--- a/LuaLibs/ProcessDtTenon.lua
+++ b/LuaLibs/ProcessDtTenon.lua
@@ -70,8 +70,8 @@ local function VerifyOrientation( Proc, vtN, b3Raw)
       end
    -- altrimenti
    else
-      -- accetto fino a -5deg
-      return ( vtN:getZ() >= -0.088)
+      -- accetto fino a -7deg
+      return ( vtN:getZ() >= -0.122)
    end
 end