diff --git a/src/bnhtrade.Core/Data/Database/Repository/Implementation/InvoiceRepository.cs b/src/bnhtrade.Core/Data/Database/Repository/Implementation/InvoiceRepository.cs
index d9d1d59..4445fe9 100644
--- a/src/bnhtrade.Core/Data/Database/Repository/Implementation/InvoiceRepository.cs
+++ b/src/bnhtrade.Core/Data/Database/Repository/Implementation/InvoiceRepository.cs
@@ -340,19 +340,19 @@ namespace bnhtrade.Core.Data.Database.Repository.Implementation
                 WHERE 1 = 1 ";
 
             // build the where statments
-            if (invoiceIdList != null || invoiceIdList.Any())
+            if (invoiceIdList != null && invoiceIdList.Any())
             {
                 sqlBuilder.In("PurchaseID", invoiceLineIdList, "AND");
             }
-            if (invoiceLineIdList != null || invoiceLineIdList.Any())
+            if (invoiceLineIdList != null && invoiceLineIdList.Any())
             {
                 sqlBuilder.In("PurchaseLineID", invoiceLineIdList, "AND");
             }
-            if (statusList != null || statusList.Any())
+            if (statusList != null && statusList.Any())
             {
                 sqlBuilder.In("PurchaseLineStatus", invoiceLineIdList, "AND");
             }
-            if (itemDescriptionList != null || itemDescriptionList.Any())
+            if (itemDescriptionList != null && itemDescriptionList.Any())
             {
                 sqlBuilder.LikeAnd("ItemDescription", itemDescriptionList, "AND");
             }