diff --git a/Facepunch.Steamworks/SteamInventory.cs b/Facepunch.Steamworks/SteamInventory.cs
index 1db284a..45aa3ca 100644
--- a/Facepunch.Steamworks/SteamInventory.cs
+++ b/Facepunch.Steamworks/SteamInventory.cs
@@ -295,6 +295,8 @@ public static bool GetAllItems()
 				if ( !Internal.DeserializeResult( ref sresult, (IntPtr)ptr, (uint)dataLength, false ) )
 					return null;
 
+				
+
 				return await InventoryResult.GetAsync( sresult.Value );
 			}
 			finally
diff --git a/Facepunch.Steamworks/Structs/InventoryResult.cs b/Facepunch.Steamworks/Structs/InventoryResult.cs
index fd09006..5518ba4 100644
--- a/Facepunch.Steamworks/Structs/InventoryResult.cs
+++ b/Facepunch.Steamworks/Structs/InventoryResult.cs
@@ -30,6 +30,15 @@ public int ItemCount
 			}
 		}
 
+		/// <summary>
+		/// Checks whether an inventory result handle belongs to the specified Steam ID.
+		/// This is important when using Deserialize, to verify that a remote player is not pretending to have a different user's inventory
+		/// </summary>
+		public bool BelongsTo( SteamId steamId )
+		{
+			return SteamInventory.Internal.CheckResultSteamID( _id, steamId );
+		}
+
 		public InventoryItem[] GetItems( bool includeProperties = false )
 		{
 			uint cnt = (uint) ItemCount;