diff --git a/IRaCIS.Core.Application/Service/QC/TrialQCQuestionService.cs b/IRaCIS.Core.Application/Service/QC/TrialQCQuestionService.cs
index 76c55703a..25d0f02aa 100644
--- a/IRaCIS.Core.Application/Service/QC/TrialQCQuestionService.cs
+++ b/IRaCIS.Core.Application/Service/QC/TrialQCQuestionService.cs
@@ -5,6 +5,7 @@
 //--------------------------------------------------------------------
 
 using IRaCIS.Core.Application.Auth;
+using IRaCIS.Core.Application.Filter;
 using IRaCIS.Core.Infra.EFCore;
 using IRaCIS.Core.Infrastructure;
 using MassTransit;