diff --git a/in/in0200.cpp b/in/in0200.cpp
index f4fd8eab4..52cd57853 100755
--- a/in/in0200.cpp
+++ b/in/in0200.cpp
@@ -515,7 +515,7 @@ void TDischetto_mask::genera_dischetto(char tip, int mode)
               (const char*)name);
     return;
   }
-  ic._disksize = os_get_disk_size(name) - (64L*1024L);
+  ic._disksize = xvt_fsys_get_disk_size(name, 'b') - (64L*1024L);
   ic._written = 0;
 
   const long total = ic._righe_riep + ic._righe_rett;
diff --git a/in/in0500.cpp b/in/in0500.cpp
index 670333a75..190b3e28d 100755
--- a/in/in0500.cpp
+++ b/in/in0500.cpp
@@ -28,6 +28,7 @@ protected:
   virtual bool on_field_event(TOperable_field& o, TField_event e, long jolly);
   bool on_sheet_event(TSheet_field& s, TField_event e, int row);
   bool on_sheet_field_event(TOperable_field& o, TField_event e, long jolly);
+  virtual bool on_key(KEY k);
 
   void enable_valuta();
 
@@ -69,6 +70,15 @@ void TImmissione_mask::enable_valuta()
   enable(F_CAMBIO, gestval);
 }
 
+bool TImmissione_mask::on_key(KEY k)
+{
+  if (k == K_CTRL + '+')
+  {
+    TSheet_field& s = sfield(F_RIGHE);
+  }
+  return TMask::on_key(k);
+}
+
 bool TImmissione_mask::on_field_event(TOperable_field& o, TField_event e, long jolly)
 {
   const short id = o.dlg();