diff --git a/flutter/lib/desktop/pages/desktop_setting_page.dart b/flutter/lib/desktop/pages/desktop_setting_page.dart
index 15cf2173b..69100470f 100644
--- a/flutter/lib/desktop/pages/desktop_setting_page.dart
+++ b/flutter/lib/desktop/pages/desktop_setting_page.dart
@@ -1029,7 +1029,9 @@ class _SafetyState extends State<_Safety> with AutomaticKeepAliveClientMixin {
             translate('Accept sessions via both'),
           ];
           var modeInitialKey = model.approveMode;
-          if (!modeKeys.contains(modeInitialKey)) modeInitialKey = '';
+          if (!modeKeys.contains(modeInitialKey)) {
+            modeInitialKey = defaultOptionApproveMode;
+          }
           final usePassword = model.approveMode != 'click';
 
           final isApproveModeFixed = isOptionFixed(kOptionApproveMode);