diff --git a/Server/DB/Documents/InventoryItem.cs b/Server/DB/Documents/InventoryItem.cs
index 57754f0..0573d9b 100644
--- a/Server/DB/Documents/InventoryItem.cs
+++ b/Server/DB/Documents/InventoryItem.cs
@@ -1,10 +1,16 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
 namespace Server.DB.Documents;
 
 public class InventoryItem
 {
-    public Guid CharacterId { get; set; }
     public virtual Character Character { get; set; }
+
+    [Key]
+    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     public Guid Id { get; set; }
+
     public ushort ItemId { get; set; }
     public ushort Count { get; set; }
     public byte Slot { get; set; }