diff --git a/IRaCIS.Core.Application/BusinessFilter/UnifiedApiResultFilter.cs b/IRaCIS.Core.Application/BusinessFilter/UnifiedApiResultFilter.cs
index 447d291cc..f37d97b17 100644
--- a/IRaCIS.Core.Application/BusinessFilter/UnifiedApiResultFilter.cs
+++ b/IRaCIS.Core.Application/BusinessFilter/UnifiedApiResultFilter.cs
@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Mvc.Filters;
 using Microsoft.AspNetCore.Mvc;
+using IRaCIS.Core.Domain.Share;
 
 namespace IRaCIS.Application.Services.BusinessFilter
 {