diff --git a/app/lib/api/api.dart b/app/lib/api/api.dart
index 5dbd5639..c41039f9 100644
--- a/app/lib/api/api.dart
+++ b/app/lib/api/api.dart
@@ -4,6 +4,7 @@ import 'package:flutter/foundation.dart';
 import 'package:http/http.dart' as http;
 import 'package:logging/logging.dart';
 import 'package:nc_photos/account.dart';
+import 'package:nc_photos/string_extension.dart';
 import 'package:to_string/to_string.dart';
 import 'package:xml/xml.dart';
 
@@ -25,7 +26,7 @@ class Response {
   /// Content of the response body, String if isResponseString == true during
   /// request, Uint8List otherwise
   @Format(
-      r"${kDebugMode ? body.toString().replaceAll(RegExp(r'\n\t'), '').substring(0, 200) : '...'}")
+      r"${kDebugMode ? body.toString().replaceAll(RegExp(r'\n\t'), '').slice(0, 200) : '...'}")
   final dynamic body;
 }
 
diff --git a/app/lib/api/api.g.dart b/app/lib/api/api.g.dart
index 80fc048d..fbea91c7 100644
--- a/app/lib/api/api.g.dart
+++ b/app/lib/api/api.g.dart
@@ -9,6 +9,6 @@ part of 'api.dart';
 extension _$ResponseToString on Response {
   String _$toString() {
     // ignore: unnecessary_string_interpolations
-    return "Response {statusCode: $statusCode, headers: ..., body: ${kDebugMode ? body.toString().replaceAll(RegExp(r'\n\t'), '').substring(0, 200) : '...'}}";
+    return "Response {statusCode: $statusCode, headers: ..., body: ${kDebugMode ? body.toString().replaceAll(RegExp(r'\n\t'), '').slice(0, 200) : '...'}}";
   }
 }