diff --git a/IRaCIS.Core.Infra.EFCore/Common/AuditingData.cs b/IRaCIS.Core.Infra.EFCore/Common/AuditingData.cs
index bc1630905..008b2b899 100644
--- a/IRaCIS.Core.Infra.EFCore/Common/AuditingData.cs
+++ b/IRaCIS.Core.Infra.EFCore/Common/AuditingData.cs
@@ -101,10 +101,10 @@ namespace IRaCIS.Core.Infra.EFCore.Common
 
             if (unit == ValueUnit.Custom)
             {
-                return answer + customUnit;
+                return answer + string.Empty + customUnit;
             }
 
-            return answer + unitDataList.Where(y => y.Unit == unit).Select(x => x.UnitName).FirstIsNullReturnEmpty();
+            return answer +string.Empty +  unitDataList.Where(y => y.Unit == unit).Select(x => x.UnitName).FirstIsNullReturnEmpty();
         }
         public string GetEntityAuditOpt(EntityEntry entityEntry)
         {