diff --git a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
index d0ba6166b..fc7583337 100644
--- a/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
+++ b/IRaCIS.Core.Application/Service/ImageAndDoc/StudyService.cs
@@ -132,7 +132,7 @@ namespace IRaCIS.Core.Application.Service.ImageAndDoc
         [HttpGet]
         public IResponseOutput DicomUploadInProgress(Guid trialId, string studyInstanceUid)
         {
-            _provider.Set($"StudyUid_{trialId}_{studyInstanceUid}", _userInfo.Id, TimeSpan.FromSeconds(30));
+            _provider.Set($"StudyUid_{trialId}_{studyInstanceUid}", _userInfo.Id, TimeSpan.FromSeconds(15));
 
             return ResponseOutput.Ok();