diff --git a/source/ubl-settings-datetime.c b/source/ubl-settings-datetime.c
index decde24..2570a75 100644
--- a/source/ubl-settings-datetime.c
+++ b/source/ubl-settings-datetime.c
@@ -35,66 +35,66 @@ config_str yon_char_parsed_sort(config_str parsed, int size){
 }
 
 //Config functions
-void yon_save_parameters(main_window *widgets){
-    int mode = gtk_combo_box_get_active(GTK_COMBO_BOX(widgets->DHCPCombo));
-    switch(mode){
-        case 0:yon_config_register(NTPSERVERS_parameter,NTPSERVERS_parameter_command,"default");
-            break;
-        case 1:yon_config_register(NTPSERVERS_parameter,NTPSERVERS_parameter_command,"stop");
-            break;
-        case 2:yon_config_register(NTPSERVERS_parameter,NTPSERVERS_parameter_command,"dhcp");
-            break;
-        case 3:
-            char *value = (char*)gtk_entry_get_text(GTK_ENTRY(widgets->NTPEntry));
-            if (yon_char_is_empty(value)) {
-                yon_ubl_status_box_render(EMPTY_IMPORTANT_LABEL,BACKGROUND_IMAGE_FAIL_TYPE);
-                yon_ubl_status_highlight_incorrect(widgets->NTPEntry);
-                return;
-            }
-            yon_config_register(NTPSERVERS_parameter,NTPSERVERS_parameter_command,value);
-            break;
-    }
-    const char *region = gtk_combo_box_get_active_id(GTK_COMBO_BOX(widgets->RegionCombo));
-    const char *zone = gtk_combo_box_get_active_id(GTK_COMBO_BOX(widgets->ZoneCombo));
+void yon_save_parameters(GtkWidget *self, main_window *widgets){
+    if (self == widgets->DHCPCombo||self == widgets->NTPEntry){
+        int mode = gtk_combo_box_get_active(GTK_COMBO_BOX(widgets->DHCPCombo));
+        switch(mode){
+            case 0:yon_config_register(NTPSERVERS_parameter,NTPSERVERS_parameter_command,"default");
+                break;
+            case 1:yon_config_register(NTPSERVERS_parameter,NTPSERVERS_parameter_command,"stop");
+                break;
+            case 2:yon_config_register(NTPSERVERS_parameter,NTPSERVERS_parameter_command,"dhcp");
+                break;
+            case 3:
+                char *value = (char*)gtk_entry_get_text(GTK_ENTRY(widgets->NTPEntry));
+                if (yon_char_is_empty(value)) {
+                    yon_ubl_status_box_render(EMPTY_IMPORTANT_LABEL,BACKGROUND_IMAGE_FAIL_TYPE);
+                    yon_ubl_status_highlight_incorrect(widgets->NTPEntry);
+                    return;
+                }
+                yon_config_register(NTPSERVERS_parameter,NTPSERVERS_parameter_command,value);
+                break;
+        }
+    } else if (self == widgets->TimeSyncTypeCombo){
+        int hwclock_sync = gtk_combo_box_get_active(GTK_COMBO_BOX(widgets->TimeSyncTypeCombo));
+        if (hwclock_sync==1){
+            yon_config_register(HWCLOCK_SYNC_parameter,HWCLOCK_SYNC_parameter_command,"localtime");
+        } else if (hwclock_sync == 2) {
+            yon_config_register(HWCLOCK_SYNC_parameter,HWCLOCK_SYNC_parameter_command,"utc");
+        } else {
+            yon_config_remove_by_key(HWCLOCK_SYNC_parameter);
+        }
 
-    if (!yon_char_is_empty(region)&&!yon_char_is_empty(zone)){
-        char *zone_parameter = yon_char_unite((char*)region,"/",(char*)zone,NULL);
-        yon_config_register(ZONE_parameter,ZONE_parameter_command,zone_parameter);
-        free(zone_parameter);
-    }
+    } else if (self == widgets->RegionCombo||self == widgets->ZoneCombo){
+        const char *region = gtk_combo_box_get_active_id(GTK_COMBO_BOX(widgets->RegionCombo));
+        const char *zone = gtk_combo_box_get_active_id(GTK_COMBO_BOX(widgets->ZoneCombo));
 
-    int hwclock_sync = gtk_combo_box_get_active(GTK_COMBO_BOX(widgets->TimeSyncTypeCombo));
-    if (hwclock_sync==1){
-        yon_config_register(HWCLOCK_SYNC_parameter,HWCLOCK_SYNC_parameter_command,"localtime");
-    } else if (hwclock_sync == 2) {
-        yon_config_register(HWCLOCK_SYNC_parameter,HWCLOCK_SYNC_parameter_command,"utc");
-    } else {
-        yon_config_remove_by_key(HWCLOCK_SYNC_parameter);
-    }
+        if (!yon_char_is_empty(region)&&!yon_char_is_empty(zone)){
+            char *zone_parameter = yon_char_unite((char*)region,"/",(char*)zone,NULL);
+            yon_config_register(ZONE_parameter,ZONE_parameter_command,zone_parameter);
+            free(zone_parameter);
+        }
+    } 
 
 }
 
-void on_config_save(GtkWidget *, main_window *widgets){
+void on_config_save(GtkWidget *){
     main_config.save_config=2;
-    yon_save_parameters(widgets);
     yon_save_proceed(NULL,YON_CONFIG_BOTH,config_get_global_command,NULL);
 }
 
-void on_config_save_global(GtkWidget *, main_window *widgets){
+void on_config_save_global(GtkWidget *){
     main_config.save_config=0;
-    yon_save_parameters(widgets);
     yon_save_proceed(NULL,YON_CONFIG_GLOBAL,config_get_global_command,NULL);
 }
 
-void on_config_save_local(GtkWidget *, main_window *widgets){
+void on_config_save_local(GtkWidget *){
     main_config.save_config=1;
-    yon_save_parameters(widgets);
     yon_save_proceed(NULL,YON_CONFIG_LOCAL,config_get_local_command,NULL);
 }
 
-void on_config_save_custom(GtkWidget *, main_window *widgets){
+void on_config_save_custom(GtkWidget *){
     main_config.save_config=3;
-    yon_save_parameters(widgets);
     yon_save_proceed(NULL,YON_CONFIG_CUSTOM,config_get_global_command,NULL);
 }
 
@@ -478,6 +478,11 @@ void yon_main_window_complete(main_window *widgets){
         g_signal_connect(G_OBJECT(widgets->DateButton),"clicked",G_CALLBACK(on_date_clicked),widgets);
         g_signal_connect(G_OBJECT(widgets->DateCancelButton),"clicked",G_CALLBACK(on_date_cancel),widgets);
         g_signal_connect(G_OBJECT(widgets->DateAcceptButton),"clicked",G_CALLBACK(on_date_accept),widgets);
+        g_signal_connect(G_OBJECT(widgets->DHCPCombo),"changed",G_CALLBACK(yon_save_parameters),widgets);
+        g_signal_connect(G_OBJECT(widgets->NTPEntry),"changed",G_CALLBACK(yon_save_parameters),widgets);
+        g_signal_connect(G_OBJECT(widgets->TimeSyncTypeCombo),"changed",G_CALLBACK(yon_save_parameters),widgets);
+        g_signal_connect(G_OBJECT(widgets->RegionCombo),"changed",G_CALLBACK(yon_save_parameters),widgets);
+        g_signal_connect(G_OBJECT(widgets->ZoneCombo),"changed",G_CALLBACK(yon_save_parameters),widgets);
     }
     // Initial data loading
     {
diff --git a/source/ubl-settings-datetime.h b/source/ubl-settings-datetime.h
index 2791519..c1798e1 100644
--- a/source/ubl-settings-datetime.h
+++ b/source/ubl-settings-datetime.h
@@ -116,15 +116,15 @@ void on_sync_clicked(GtkWidget *, main_window *widgets);
 
 void on_ntp_sync(GtkWidget *, main_window *widgets);
 
-void yon_save_parameters(main_window *widgets);
+void yon_save_parameters(GtkWidget *self,main_window *widgets);
 
-void on_config_save(GtkWidget *, main_window *widgets);
+void on_config_save(GtkWidget *);
 
-void on_config_save_global(GtkWidget *, main_window *widgets);
+void on_config_save_global(GtkWidget *);
 
-void on_config_save_local(GtkWidget *, main_window *widgets);
+void on_config_save_local(GtkWidget *);
 
-void on_config_save_custom(GtkWidget *, main_window *widgets);
+void on_config_save_custom(GtkWidget *);
 
 void on_config_load_global();