diff --git a/lib/pages/preferences_settings_page/preferences_settings_model.dart b/lib/pages/preferences_settings_page/preferences_settings_model.dart
index ed89a882..18016c98 100644
--- a/lib/pages/preferences_settings_page/preferences_settings_model.dart
+++ b/lib/pages/preferences_settings_page/preferences_settings_model.dart
@@ -60,7 +60,7 @@ class PreferencesPageModel with ChangeNotifier {
 
     onConfirm() async {
       String content;
-      String value = !isNotify ? 'N' : 'S';
+      String value = !isNotify ? 'S' : 'N';
       await PhpGroup.changeNotifica
           .call(notifica: value)
           .then((value) async {