diff --git a/APT.MicroApi/APT.FO.WebApi/Controllers/CurrentClassRecord.cs b/APT.MicroApi/APT.FO.WebApi/Controllers/CurrentClassRecord.cs
index 8155587..7746af4 100644
--- a/APT.MicroApi/APT.FO.WebApi/Controllers/CurrentClassRecord.cs
+++ b/APT.MicroApi/APT.FO.WebApi/Controllers/CurrentClassRecord.cs
@@ -255,6 +255,7 @@ namespace APT.FO.WebApi.Controllers.Api.FO
                         }
                     }
                     entity.Nav_Users = null;
+                    entity.Nav_Class = null;
                     entity.Nav_Files = null;
                     entity.Nav_LabourSupplies = null;
                     UnifiedCommit(() =>