diff --git a/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs b/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
index 7c423347e..7bc6db093 100644
--- a/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
@@ -666,7 +666,7 @@ namespace IRaCIS.Core.Application.Services
                     }
                     else 
                     {
-                        studyList.Insert(0, new VisitStudyDTO() { });
+                        studyList.Insert(0, new VisitStudyDTO() { StudyId= default(Guid) });
                     }