diff --git a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
index 097891d95..25ee0428b 100644
--- a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
+++ b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
@@ -1322,7 +1322,7 @@ namespace IRaCIS.Core.Application.Contracts
 
 
 
-                    foreach (var userTypeId in userTypeIdList)
+                    foreach (var userTypeId in userTypeIdList.Distinct())
                     {
                         var findTrialUserRole = findTrialUser.TrialUserRoleList.Where(t => t.UserRole?.UserTypeId == userTypeId).FirstOrDefault();