diff --git a/IRaCIS.Core.Domain/Reading/ReadingMedicineSystemQuestion.cs b/IRaCIS.Core.Domain/Reading/ReadingMedicineSystemQuestion.cs
index fdd0e5b14..3f6c629ff 100644
--- a/IRaCIS.Core.Domain/Reading/ReadingMedicineSystemQuestion.cs
+++ b/IRaCIS.Core.Domain/Reading/ReadingMedicineSystemQuestion.cs
@@ -82,7 +82,7 @@ namespace IRaCIS.Core.Domain.Models
 		public ReadingCategory ReadingCategory { get; set; }
 
 		[ForeignKey("ParentId")]
-		public ReadingMedicineTrialQuestion ParentQuestion { get; set; }
+		public ReadingMedicineSystemQuestion ParentQuestion { get; set; }
 
 	}
 }