diff --git a/IRC.Core.SCP/Service/OSSService.cs b/IRC.Core.SCP/Service/OSSService.cs
index df4f5cb39..19b51a8a3 100644
--- a/IRC.Core.SCP/Service/OSSService.cs
+++ b/IRC.Core.SCP/Service/OSSService.cs
@@ -967,7 +967,7 @@ public class OSSService(IOptionsMonitor<ObjectStoreServiceOptions> options,
             uploadInfo.FileSize = fileSize;
             uploadInfo.Path = returnPath;
             uploadInfo.FileName = Path.GetFileName(localFilePath);
-            uploadInfo.FileType = Path.GetExtension(returnPath);
+            uploadInfo.FileType = Path.GetExtension(returnPath) == "" ? "dcm" : Path.GetExtension(returnPath);
 
 
             await _fileUploadRecordService.AddOrUpdateFileUploadRecord(uploadInfo);