diff --git a/common/ASC.Data.Backup.Core/BackupFileUploadHandler.cs b/common/ASC.Data.Backup.Core/BackupFileUploadHandler.cs
index ff695e4c2b..563f7c2916 100644
--- a/common/ASC.Data.Backup.Core/BackupFileUploadHandler.cs
+++ b/common/ASC.Data.Backup.Core/BackupFileUploadHandler.cs
@@ -22,8 +22,8 @@
 //
 // All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
 // content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
-// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
-
+// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+
 namespace ASC.Web.Studio.Core.Backup;
 
 public class BackupFileUploadHandler
@@ -112,7 +112,10 @@ public class BackupFileUploadHandler
             result = Error(error.Message);
         }
 
-        await context.Response.WriteAsync(System.Text.Json.JsonSerializer.Serialize(result));
+        await context.Response.WriteAsync(System.Text.Json.JsonSerializer.Serialize(result, new System.Text.Json.JsonSerializerOptions()
+        {
+            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingDefault
+        }));
     }
 
     private BackupFileUploadResult Success(int chunk = 0, bool endUpload = false)
diff --git a/common/services/ASC.Data.Backup/GlobalUsings.cs b/common/services/ASC.Data.Backup/GlobalUsings.cs
index 90030ba42a..02f9e6bc9c 100644
--- a/common/services/ASC.Data.Backup/GlobalUsings.cs
+++ b/common/services/ASC.Data.Backup/GlobalUsings.cs
@@ -36,6 +36,7 @@ global using ASC.Data.Backup.Contracts;
 global using ASC.Data.Backup.Core.IntegrationEvents.Events;
 global using ASC.Data.Backup.EF.Context;
 global using ASC.Data.Backup.Extension;
+global using System.Text.Json.Serialization;
 global using ASC.Data.Backup.Services;
 global using ASC.EventBus.Abstractions;
 global using ASC.Files.Core.EF;