diff --git a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
index b08d34a69..489960b77 100644
--- a/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/TrialDocumentService.cs
@@ -565,7 +565,7 @@ namespace IRaCIS.Core.Application.Services
             if (isSystemDoc)
             {
                 await _systemDocumentRepository.UpdatePartialFromQueryAsync(documentId, u => new SystemDocument() { IsDeleted = true });
-                await _systemDocConfirmedUserRepository.UpdatePartialFromQueryAsync(x => x.SystemDocumentId == documentId, x => new SystemDocConfirmedUser()
+                await _systemDocConfirmedUserRepository.UpdatePartialFromQueryAsync(x => x.SystemDocumentId == documentId&&!x.IsDeleted.Value, x => new SystemDocConfirmedUser()
                 {
                     IsDeleted = true
                 });