diff --git a/CompanyManagment.EFCore/Repository/CustomizeCheckoutRepository.cs b/CompanyManagment.EFCore/Repository/CustomizeCheckoutRepository.cs
index d126c5b8..0e068ac1 100644
--- a/CompanyManagment.EFCore/Repository/CustomizeCheckoutRepository.cs
+++ b/CompanyManagment.EFCore/Repository/CustomizeCheckoutRepository.cs
@@ -395,7 +395,7 @@ namespace CompanyManagment.EFCore.Repository
             }
 
 
-            if (searchModel.Year > 0 && searchModel.Month > 0 && searchModel.Month < 12)
+            if (searchModel.Year > 0 && searchModel.Month > 0 && searchModel.Month < 13)
             {
                 var queryStartDate = $"{searchModel.Year:0000}/{searchModel.Month:00}/01".ToGeorgianDateTime();
                 queryStartDate.FindFirstDayOfNextMonth(out var queryEndDate);