diff --git a/include/mask.cpp b/include/mask.cpp
index f92a5cbf0..19fd4f6d8 100755
--- a/include/mask.cpp
+++ b/include/mask.cpp
@@ -33,6 +33,7 @@ protected:
   virtual int current() const { return _def; }
 
 public:
+  virtual void set_prompt(const char* p);
   void create(WINDOW parent);
   void set_default(byte d) { _def = d; }
   void show_button(int i, bool on);
@@ -46,6 +47,11 @@ void TPage_field::create(WINDOW parent)
   _ctl = new TTagbutton_control(parent, _ctl_data._dlg, 0, 0, 80, 1, "", _values, _def);
 }                  
 
+void TPage_field::set_prompt(const char* p)
+{        
+  _ctl->set_caption(p);
+}
+
 void TPage_field::show_button(int i, bool on)
 {
   TTagbutton_control* tag = (TTagbutton_control*)_ctl;