diff --git a/LuaLibs/BeamExec.lua b/LuaLibs/BeamExec.lua
index 478d107..5ac34d2 100644
--- a/LuaLibs/BeamExec.lua
+++ b/LuaLibs/BeamExec.lua
@@ -1944,7 +1944,9 @@ local function VerifyDrillMirrored( Proc, vProc, b3Raw)
    -- recupero la lunghezza della parte inclinata della punta
    local dToolDoubleTipLength = EgtTdbGetCurrToolParam( MCH_TP.TOTLEN) - EgtTdbGetCurrToolParam( MCH_TP.LEN)
    -- se foratura splittata, verifico che la distanza minima tra le due punte sia rispettata
-   if abs( Proc.Flg) == 2 and not ( ( ( 2 * dDrillingStep - dToolTipLength - dToolDoubleTipLength) - MIRROR_DRILLINGS_MIN_DISTANCE) > 10 * GEO.EPS_SMALL) then
+   local dTipDistance = 2 * dDrillingStep - dToolTipLength - dToolDoubleTipLength
+   if abs( Proc.Flg) == 2 and not ( ( dTipDistance - MIRROR_DRILLINGS_MIN_DISTANCE) > 10 * GEO.EPS_SMALL) then
+      EgtOutLog( 'Double drilling skipped, tip distance too small ( ' .. dTipDistance .. ' mm) ')
       return
    end
    -- verifico se in doppio