diff --git a/MapoDb/DataLayer.cs b/MapoDb/DataLayer.cs
index 2b3b0a58..a17aaacf 100644
--- a/MapoDb/DataLayer.cs
+++ b/MapoDb/DataLayer.cs
@@ -1830,7 +1830,15 @@ namespace MapoDb
       // verifico il timeout che cambia a seconda che sia vero o falso insEnabled...
       int tOutShort = memLayer.ML.cdvi("TmOut.MS.S");
       int tOutLong = memLayer.ML.cdvi("TmOut.MS.L");
-      int redDtMacTOut = (answ["insEnabled"].ToLower() == "true") ? tOutShort : tOutLong;
+      int redDtMacTOut = tOutLong;
+      try
+      {
+        redDtMacTOut = (answ["insEnabled"].ToLower() == "true") ? tOutShort : tOutLong;
+      }
+      catch(Exception exc)
+      {
+        logger.lg.scriviLog($"Eccezione in calcolo timeout dati macchina: idxMacchina{idxMacchina} | TShort: {tOutShort} | TLong {tOutLong}{Environment.NewLine}{exc}");
+      }
       // salvo in redis!
       memLayer.ML.redSaveHashDict(currHash, answ, redDtMacTOut);
       return answ;