diff --git a/IRaCIS.Core.Application/BusinessFilter/TrialResourceFilter.cs b/IRaCIS.Core.Application/BusinessFilter/TrialResourceFilter.cs
index 3eebd694..f2103cea 100644
--- a/IRaCIS.Core.Application/BusinessFilter/TrialResourceFilter.cs
+++ b/IRaCIS.Core.Application/BusinessFilter/TrialResourceFilter.cs
@@ -79,9 +79,9 @@ namespace IRaCIS.Core.Application.Filter
                 var index = context.RouteData.Values.Keys.ToList().IndexOf("trialId");
                 trialIdStr = context.RouteData.Values.Values.ToList()[index] as string;
             }
-            else if (context.HttpContext.Request.Headers["Referer"].ToString().Contains("trialId"))
+            else if (context.HttpContext.Request.Headers["RefererUrl"].ToString().Contains("trialId"))
             {
-                var headerStr = context.HttpContext.Request.Headers["Referer"].ToString();
+                var headerStr = context.HttpContext.Request.Headers["RefererUrl"].ToString();
 
                 var trialIdIndex = headerStr.IndexOf("trialId");