diff --git a/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs b/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
index 66b5b0b92..3ecb9edc8 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadModuleService.cs
@@ -146,7 +146,7 @@ namespace IRaCIS.Application.Services
             #region MyRegion
 
             var subjectQuery = _readModuleViewRepository.WhereIf(dto.TrialId != null, x => x.TrialId == dto.TrialId)
-            .WhereIf(dto.SubjectId != null, x => x.Id == dto.SubjectId)
+            .WhereIf(dto.SubjectId != null, x => x.SubjectId == dto.SubjectId)
             .WhereIf(dto.TrialSiteCode != null && dto.TrialSiteCode != String.Empty, x => x.TrialSiteCode == dto.TrialSiteCode)
             .WhereIf(dto.SubjectCode != null && dto.SubjectCode != String.Empty, x => x.SubjectCode == dto.SubjectCode)
             .WhereIf(dto.ModuleType != null, x => x.ModuleType == dto.ModuleType)