diff --git a/IRaCIS.Core.Application/Service/QC/NoneDicomStudyService.cs b/IRaCIS.Core.Application/Service/QC/NoneDicomStudyService.cs
index 0c0f2a2da..3f15de46b 100644
--- a/IRaCIS.Core.Application/Service/QC/NoneDicomStudyService.cs
+++ b/IRaCIS.Core.Application/Service/QC/NoneDicomStudyService.cs
@@ -224,7 +224,7 @@ namespace IRaCIS.Core.Application.Contracts
 
             //_logger.LogError(_fileStorePath);
 
-            var storePreviewPath = _fileStorePath + ".preview.jpeg";
+            var storePreviewPath = _fileStorePath + ".preview.jpg";
 
             //if (!File.Exists(storePreviewPath))
             //{
@@ -240,7 +240,7 @@ namespace IRaCIS.Core.Application.Contracts
                 }
             //}
           
-            return new FileContentResult(await File.ReadAllBytesAsync(storePreviewPath), "image/jpeg");
+            return new FileContentResult(await File.ReadAllBytesAsync(storePreviewPath), "image/jpg");
 
         }