diff --git a/cg/cg4300.cpp b/cg/cg4300.cpp
index a9a76a154..987df97db 100755
--- a/cg/cg4300.cpp
+++ b/cg/cg4300.cpp
@@ -526,13 +526,15 @@ bool TLiquidazione_app::to_ditt_handler(TMask_field& f, KEY key)
     TArray_sheet* sh = app().get_ditte_sheet();
     TMask& m = f.mask();
     
-    sh->disable_check();    
+    sh->disable_check();
+    sh->disable(DLG_USER);
     if (sh->run() == K_ENTER)
     {
       app().select_firm_range(m.get_long(CG43_FLD_DFR),sh->row(sh->selected()).get_long(1), 
                               (wht)m.get_int(CG43_RDB_VERS));
       app().set_choice_limits(m);
     }
+    sh->enable(DLG_USER);
   }
   if (key == K_TAB && f.focusdirty())
   {
@@ -554,13 +556,15 @@ bool TLiquidazione_app::fr_ditt_handler(TMask_field& f, KEY key)
     TArray_sheet* sh = ((TLiquidazione_app&)main_app()).get_ditte_sheet();
 
     sh->disable_check();    
+    sh->disable(DLG_USER);
     if (sh->run() == K_ENTER)
     {
       app().select_firm_range(sh->row(sh->selected()).get_long(1), m.get_long(CG43_FLD_DTO), 
                               (wht)m.get_int(CG43_RDB_VERS));
       app().set_choice_limits(m);
     }
-  }
+    sh->enable(DLG_USER);
+ }
   else if (key == K_TAB && f.focusdirty())
   {
     const long l = app().select_firm_range(m.get_long(CG43_FLD_DFR),