diff --git a/source/ubl-settings-datetime.c b/source/ubl-settings-datetime.c
index 7e61bf3..decde24 100644
--- a/source/ubl-settings-datetime.c
+++ b/source/ubl-settings-datetime.c
@@ -201,7 +201,7 @@ void yon_interface_update(main_window *widgets){
         gtk_combo_box_set_active_id(GTK_COMBO_BOX(widgets->RegionCombo),region);
         on_region_changed(GTK_COMBO_BOX(widgets->RegionCombo),widgets);
         gtk_combo_box_set_active_id(GTK_COMBO_BOX(widgets->ZoneCombo),zone);
-        g_signal_handlers_block_by_func(G_OBJECT(widgets->RegionCombo),on_region_changed,widgets);
+        g_signal_handlers_unblock_by_func(G_OBJECT(widgets->RegionCombo),on_region_changed,widgets);
         free(zone);
         free(region);
     }