diff --git a/AsbCloudInfrastructure/Repository/WitsRecordRepository.cs b/AsbCloudInfrastructure/Repository/WitsRecordRepository.cs
index cc53d92e..35c2fabb 100644
--- a/AsbCloudInfrastructure/Repository/WitsRecordRepository.cs
+++ b/AsbCloudInfrastructure/Repository/WitsRecordRepository.cs
@@ -88,7 +88,7 @@ namespace AsbCloudInfrastructure.Repository
             
             foreach (var entity in entities)
             {
-                if (!existingEntities.Any(e => e.DateTime == entity.DateTime))
+                if (!existingEntities.Any(e => e == entity.DateTime))
                 {
                     dbset.Add(entity);
                 }