diff --git a/source/ubl-settings-datetime.c b/source/ubl-settings-datetime.c
index 70824f1..18b1122 100644
--- a/source/ubl-settings-datetime.c
+++ b/source/ubl-settings-datetime.c
@@ -53,9 +53,10 @@ void yon_save_parameters(main_window *widgets){
         free(zone_parameter);
     }
 
-    if (gtk_combo_box_get_active(GTK_COMBO_BOX(widgets->TimeSyncTypeCombo))==0){
+    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 {
+    } else if (hwclock_sync == 2) {
         yon_config_register(HWCLOCK_SYNC_parameter,HWCLOCK_SYNC_parameter_command,"utc");
     }
 
@@ -207,9 +208,9 @@ void yon_interface_update(main_window *widgets){
     char *hwclock_sync = config(HWCLOCK_SYNC_parameter);
     if (!yon_char_is_empty(hwclock_sync)){
         if (!strcmp(hwclock_sync,"utc")){
+            gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->TimeSyncTypeCombo),2);
+        } else if (!strcmp(hwclock_sync,"localtime")){
             gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->TimeSyncTypeCombo),1);
-        } else {
-            gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->TimeSyncTypeCombo),0);
         }
     }