diff --git a/SteamWareLib/logger.cs b/SteamWareLib/logger.cs
index c817d62..932c4cd 100644
--- a/SteamWareLib/logger.cs
+++ b/SteamWareLib/logger.cs
@@ -396,16 +396,24 @@ namespace SteamWare
     protected void newLogfileName()
     {
       DateTime CurrentDateTime = DateTime.Now;
-      _logfileName = _logBaseDir + String.Format("{0}.txt", CurrentDateTime.ToString("yyyyMMdd"));
+      _logfileName = _logBaseDir + String.Format("{0}.log", CurrentDateTime.ToString("yyyyMMdd"));
     }
     /// <summary>
     /// provvede a verificare la dim della cartella dei log e cancella i + vecchi fino a restare a dim inferiori a _logMaxMb
     /// </summary>
     protected void shrinkDir()
     {
-      // ottengo elenco files *.txt
+      // ottengo elenco files *.log
       fileMover.obj.setDirectory(_logBaseDir);
-      FileInfo[] _fis = fileMover.obj.elencoFiles_FI("*.txt");
+      FileInfo[] _fis = fileMover.obj.elencoFiles_FI("*.log");
+      compressAndRemove(_fis);
+      // acnhe per i "Vecchi" formati .txt
+      _fis = fileMover.obj.elencoFiles_FI("*.txt");
+      compressAndRemove(_fis);
+    }
+
+    private void compressAndRemove(FileInfo[] _fis)
+    {
       foreach (FileInfo _file in _fis)
       {
         if (_file.CreationTime < DateTime.Now.AddDays(-2)) // zippo files + vecchi di 2 gg...
@@ -421,8 +429,8 @@ namespace SteamWare
         // cancello i + vecchi fino a rientrare alla dimensione max...
         fileMover.obj.deleteOldest();
       }
-
     }
+
     /// <summary>
     /// fornisce il file + vecchio
     /// </summary>