diff --git a/EgwCoreLib.Lux.Data/DbModel/Warehouse/MatReqModel.cs b/EgwCoreLib.Lux.Data/DbModel/Warehouse/MatReqModel.cs
index 666c407..cc4eca3 100644
--- a/EgwCoreLib.Lux.Data/DbModel/Warehouse/MatReqModel.cs
+++ b/EgwCoreLib.Lux.Data/DbModel/Warehouse/MatReqModel.cs
@@ -27,7 +27,7 @@
         /// <summary>
         /// ID dell'item richiesto
         /// </summary>
-        public int? ItemID { get; set; } = 0;
+        public int? ItemID { get; set; } = null;
 
         /// <summary>
         /// Quantità richiesta per Item (complessiva)
diff --git a/EgwCoreLib.Lux.Data/Services/Warehouse/MatReqService.cs b/EgwCoreLib.Lux.Data/Services/Warehouse/MatReqService.cs
index 545d767..7a63349 100644
--- a/EgwCoreLib.Lux.Data/Services/Warehouse/MatReqService.cs
+++ b/EgwCoreLib.Lux.Data/Services/Warehouse/MatReqService.cs
@@ -74,7 +74,7 @@
                     ItemCode = bomItem.ItemCode,
                     Description = bomItem.DescriptionCode,
                     Inserted = DateTime.Now,
-                    ItemID = bomItem.ItemID,
+                    ItemID = bomItem.ItemID > 0 ? bomItem.ItemID : null,
                     NumItems = bomItem.ItemQty,
                     Processed = false,
                     TotQty = bomItem.Qty