diff --git a/ba/ba3300.cpp b/ba/ba3300.cpp
index 360a9d596..8501e17a8 100755
--- a/ba/ba3300.cpp
+++ b/ba/ba3300.cpp
@@ -156,7 +156,8 @@ void BA3300_application::on_firm_change()
 
 {
   TPrintapp::on_firm_change();
-
+  
+  if (_msk == NULL) return;
   _msk->reset();
   _nditte->setkey(1);
   _codice_ditta = get_firm();
@@ -263,8 +264,11 @@ const char* BA3300_application::decodifica_reg ()
 
 bool BA3300_application::user_create()
 {
-  enable_print_menu();
+  _msk = NULL;
+  if (get_firm() == 0L)
+    if (!set_firm()) return FALSE;
 
+  enable_print_menu();
   _nditte = new TLocalisamfile (LF_NDITTE);
   _unloc = new TLocalisamfile (LF_UNLOC);
   _comuni = new TLocalisamfile (LF_COMUNI);