diff --git a/packages/convenient_test_manager_dart/lib/services/misc_dart_service.dart b/packages/convenient_test_manager_dart/lib/services/misc_dart_service.dart
index e14840e2..e3a22d36 100644
--- a/packages/convenient_test_manager_dart/lib/services/misc_dart_service.dart
+++ b/packages/convenient_test_manager_dart/lib/services/misc_dart_service.dart
@@ -9,6 +9,7 @@ import 'package:convenient_test_manager_dart/stores/suite_info_store.dart';
 import 'package:convenient_test_manager_dart/stores/video_recorder_store.dart';
 import 'package:convenient_test_manager_dart/stores/worker_super_run_store.dart';
 import 'package:get_it/get_it.dart';
+import 'package:protobuf/protobuf.dart';
 
 class MiscDartService {
   static const _kTag = 'MiscDartService';
@@ -49,8 +50,10 @@ class MiscDartService {
 
     clearAll();
     final file = sync ? File(path).readAsBytesSync() : await File(path).readAsBytes();
+    final reader = CodedBufferReader(file, sizeLimit: 1073741824); // allow for up to 1 Gigabyte
 
-    final reportCollection = ReportCollection.fromBuffer(file);
+    final reportCollection = ReportCollection.create();
+    reportCollection.mergeFromCodedBufferReader(reader);
 
     Log.d(_kTag, 'readReportFromFile read reportCollection');
     await GetIt.I.get<ReportHandlerService>().handle(reportCollection, offlineFile: true, doClear: doClear);