diff --git a/web/repertory/lib/helpers.dart b/web/repertory/lib/helpers.dart
index b5fde5fb..2f091b13 100644
--- a/web/repertory/lib/helpers.dart
+++ b/web/repertory/lib/helpers.dart
@@ -119,6 +119,7 @@ Map<String, dynamic> createDefaultSettings(String mountType) {
         'S3Config': {
           'AccessKey': '',
           'Bucket': '',
+          'ForceLegacyEncryption': false,
           'Region': 'any',
           'SecretKey': '',
           'URL': '',
@@ -195,6 +196,8 @@ String? getSettingDescription(String settingPath) {
       return "HTTP authentication user";
     case 'HostConfig.ApiPassword':
       return "RENTERD_API_PASSWORD";
+    case 'S3Config.ForceLegacyEncryption':
+      return "Effectively disables Argon2id KDF";
     default:
       return null;
   }
diff --git a/web/repertory/lib/widgets/mount_settings.dart b/web/repertory/lib/widgets/mount_settings.dart
index efdb7ef8..816211db 100644
--- a/web/repertory/lib/widgets/mount_settings.dart
+++ b/web/repertory/lib/widgets/mount_settings.dart
@@ -697,6 +697,22 @@ class _MountSettingsWidgetState extends State<MountSettingsWidget> {
             );
           }
           break;
+        case 'ForceLegacyEncryption':
+          {
+            createBooleanSetting(
+              context,
+              s3ConfigSettings,
+              widget.settings[key],
+              subKey,
+              subValue,
+              false,
+              widget.showAdvanced,
+              widget,
+              setState,
+              description: getSettingDescription('$key.$subKey'),
+            );
+          }
+          break;
         case 'Region':
           {
             createStringSetting(