diff --git a/source/ubl-settings-datetime.cc b/source/ubl-settings-datetime.cc
index 80aca74..38eac1a 100644
--- a/source/ubl-settings-datetime.cc
+++ b/source/ubl-settings-datetime.cc
@@ -258,7 +258,7 @@ void MainWindow::event(){
     cbxSynchronizeNtpGlob->signal_toggled().connect(sigc::mem_fun(*this, &MainWindow::set_ntp_toggle_glob));
     btnUpdateDateTime->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::wrapper_update_time_date));
     btnChooseDate->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::calendar_show));
-    cbDhcp->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::event_entrycbDhcp));
+    cbDhcp->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::event_entry_cbDhcp));
     cbRegion->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::append_zone));
     cbRegionGlob->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::append_zone_glob));
     cbZone->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::enter_zone));
@@ -305,7 +305,7 @@ bool MainWindow::focus_ntp(GdkEventFocus* event){
     return true;
 }
 
-void MainWindow::event_entrycbDhcp(){
+void MainWindow::event_entry_cbDhcp(){
     Glib::ustring str_dhcp = cbDhcp->get_active_text();
     int activ_index =  cbDhcp->get_active_row_number();
     cout << activ_index << endl;
@@ -325,14 +325,14 @@ void MainWindow::event_entrycbDhcp(){
             txtNtpServer->set_text("");
         }
         else if (activ_index==2){
+            txtNtpServer->set_sensitive(true);
             string str_dhcp = this->call("/usr/bin/ubconfig get network NTPSERVERS");
-            if ((str_dhcp!="") && (str_dhcp!="(null)") ){
+            if ((str_dhcp!="") && (str_dhcp!="(null)") && (str_dhcp!="default")){
                 str_dhcp = str_dhcp.substr(str_dhcp.find("=")+1,str_dhcp.length());
                 str_dhcp = str_dhcp.substr(0,str_dhcp.find("\n"));
                 if (str_dhcp!="dhcp" && str_dhcp!="(null)"){  
                     txtNtpServer->set_text(str_dhcp);
                 }
-                txtNtpServer->set_sensitive(true);
                 cbDhcp->set_active(activ_index);
                 }   
             }
@@ -386,11 +386,18 @@ void MainWindow::calendar_show(){
 void MainWindow::enry_dhcp_mess(){
     string str_dhcp = this->call("/usr/bin/ubconfig get network NTPSERVERS");
     if ((str_dhcp!="") && (str_dhcp!="(null)")){
+        this->set_ntp_toggle_glob();
         cbxSynchronizeNtpGlob->set_active(1);
         str_dhcp = str_dhcp.substr(str_dhcp.find("=")+1,str_dhcp.length());
         str_dhcp = str_dhcp.substr(0,str_dhcp.find("\n"));
         if (str_dhcp=="dhcp"){
+            cbDhcp->set_active(1);
+            txtNtpServer->set_text("");
+            txtNtpServer->set_sensitive(false);
+        }
+        else if (str_dhcp=="default"){
             cbDhcp->set_active(0);
+            txtNtpServer->set_text("");
             txtNtpServer->set_sensitive(false);
         }
         else{
@@ -403,11 +410,11 @@ void MainWindow::enry_dhcp_mess(){
                 txtNtpServer->set_text("");
             }
             else{
-                cbDhcp->set_active(1);
+                cbDhcp->set_active(2);
                 txtNtpServer->set_text(str_dhcp);
+                txtNtpServer->set_sensitive(true);
             }
         }
-        this->set_ntp_toggle_glob();
         }
     else{
         cbxSynchronizeNtpGlob->set_active(0);
diff --git a/source/ubl-settings-datetime.h b/source/ubl-settings-datetime.h
index a7f566f..e8b202c 100644
--- a/source/ubl-settings-datetime.h
+++ b/source/ubl-settings-datetime.h
@@ -56,7 +56,7 @@ class MainWindow : public Gtk::ApplicationWindow {
         void event();
         void gui_mess_close();
         bool focus_ntp(GdkEventFocus* event);
-        void event_entrycbDhcp();
+        void event_entry_cbDhcp();
         void get_calendar();
         void calendar_show();
         void enry_dhcp_mess();