diff --git a/Src/Dlhis.Canteen/MealSupplementRecord/Request/MealSupplementRecordRequest.cs b/Src/Dlhis.Canteen/MealSupplementRecord/Request/MealSupplementRecordRequest.cs
index 611a4adf..4018dfe4 100644
--- a/Src/Dlhis.Canteen/MealSupplementRecord/Request/MealSupplementRecordRequest.cs
+++ b/Src/Dlhis.Canteen/MealSupplementRecord/Request/MealSupplementRecordRequest.cs
@@ -13,7 +13,10 @@ public class MealSupplementRecordRequest : PageDto, IValidatableObject
 
     public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
     {
-        DateTimePeriod.End = DateTimePeriod.End.Value.AddDays(1).AddSeconds(-1);
+        if (DateTimePeriod != null && DateTimePeriod.End.HasValue)
+        {
+            DateTimePeriod.End = DateTimePeriod.End.Value.AddDays(1).AddSeconds(-1);
+        }
 
         yield break;
     }