diff --git a/ba/ba0100.cpp b/ba/ba0100.cpp
index 120e3625f..851561cd9 100755
--- a/ba/ba0100.cpp
+++ b/ba/ba0100.cpp
@@ -1478,9 +1478,22 @@ bool TMenu_application::test_programs()
 bool TMenu_application::dongle_update_needed() const
 {
   bool ok = TApplication::test_assistance_year();
+
+
   if (ok)
   {
-    Tdninst dninst;
+    if (ini_get_int(CONFIG_INSTALL, "Main", "Type") == 3) // postazione client
+    {
+      // Controlla se deve aggiornare il dninst.zip locale da quello del server
+      const TFilename local_name = "setup/dninst.zip";
+      TFilename remote_name = ini_get_string(CONFIG_GENERAL, "Main", "DiskPath");
+      remote_name.add(local_name);
+      const long remote_date = xvt_fsys_file_attr(remote_name, XVT_FILE_ATTR_MTIME); 
+      const long local_date = xvt_fsys_file_attr(local_name, XVT_FILE_ATTR_MTIME); 
+      if (remote_date > local_date)
+        ::fcopy(remote_name, local_name);
+    }
+    Tdninst dninst; // file aggiornatissimo ormai ...
     const int dninst_year = dninst.assist_year();
     const int dongle_year = dongle().year_assist();
     ok =  dninst_year <= dongle_year;