diff --git a/IRaCIS.Core.Application/Service/Document/EmailSendService.cs b/IRaCIS.Core.Application/Service/Document/EmailSendService.cs
index 4dbef0741..e3569f5e9 100644
--- a/IRaCIS.Core.Application/Service/Document/EmailSendService.cs
+++ b/IRaCIS.Core.Application/Service/Document/EmailSendService.cs
@@ -333,7 +333,7 @@ namespace IRaCIS.Core.Application.Service
 
                 if(onlyToUserId!=null)
                 {
-                    toUserList.Where(t=>t.UserId == onlyToUserId).ToList();
+                    toUserList= toUserList.Where(t=>t.UserId == onlyToUserId).ToList();
                 }
 
                 if (toUserList.Count() == 0)