diff --git a/IRC.Core.SCP/Service/DicomArchiveService.cs b/IRC.Core.SCP/Service/DicomArchiveService.cs
index 73fe16d4a..9d2657d1a 100644
--- a/IRC.Core.SCP/Service/DicomArchiveService.cs
+++ b/IRC.Core.SCP/Service/DicomArchiveService.cs
@@ -298,7 +298,7 @@ namespace IRaCIS.Core.SCP.Service
                     findInstance.MediaStorageSOPClassUID = dataset.GetSingleValueOrDefault(DicomTag.MediaStorageSOPClassUID, string.Empty);
                     findInstance.TransferSyntaxUID = transferSyntaxUID;
                     findInstance.MediaStorageSOPInstanceUID = dataset.GetSingleValueOrDefault(DicomTag.MediaStorageSOPInstanceUID, string.Empty);
-                    findInstance.IsEncapsulated = DicomTransferSyntax.Lookup(DicomUID.Parse(dataset.GetSingleValueOrDefault(DicomTag.TransferSyntaxUID, string.Empty))).IsEncapsulated;
+                    findInstance.IsEncapsulated = isEncapsulated;
                 }
 
                 if (isPatientNeedAdd)