diff --git a/ba/baformed.cpp b/ba/baformed.cpp
index 9d499574c..34dd1125e 100755
--- a/ba/baformed.cpp
+++ b/ba/baformed.cpp
@@ -9,7 +9,7 @@
 
 class TFink_mask : public TMask
 {                              
-    char _chars[11];  
+    TString16 _chars;  
     
     enum pos { // posizioni scatoletta
       xl  = 1,
@@ -33,11 +33,11 @@ class TFink_mask : public TMask
 
    public:               
                                   
-    char* get_chars() { return _chars; }
+    TString & get_chars() { return _chars; }
     
     TFink_mask(const char* def) : TMask("ba21fn") 
     { 
-      strncpy(_chars, def, 11);
+      _chars  = def;
       set_handler(C_TR, char_handler);
       set_handler(C_TL, char_handler);
       set_handler(C_TM, char_handler);
@@ -133,9 +133,10 @@ void TFink_mask::start_run()
 bool TFink_mask::stop_run(KEY k)
 {                              
   if (k == K_ENTER)
-  {
+  {   
+    _chars.cut(0);
     for (int i = 101; i <= 111; i++)
-      _chars[i-101] = field(i).get()[0];
+      _chars << field(i).get()[0];
   }
   return TMask::stop_run(k);
 }
@@ -145,7 +146,7 @@ bool TFink_mask::char_handler(TMask_field& f, KEY k)
   if (f.focusdirty() && k == K_TAB)
   { 
     TFink_mask& m = (TFink_mask&)f.mask();
-    char* ch = m.get_chars();
+    TString & ch = m.get_chars();
     ch[f.dlg() - 101] = f.get()[0];
     m.paint_example();
   }