diff --git a/Bot/Games/HackerBattle.fs b/Bot/Games/HackerBattle.fs
index db0228a..7c5bf30 100644
--- a/Bot/Games/HackerBattle.fs
+++ b/Bot/Games/HackerBattle.fs
@@ -75,7 +75,7 @@ let runHackerBattle defender (hack : HackItem) =
     |> fun p -> p.Events
     |> List.choose (fun event ->
         match event.Type with
-        | Shielding id -> defender.Inventory |> Inventory.getShields |> List.find (fun item -> item.Item.Id = id) |> Some
+        | Shielding id -> defender.Inventory |> Inventory.getShields |> List.tryFind (fun item -> item.Item.Id = id)
         | _ -> None)
     |> List.map (fun shield -> if hack.Class = shield.Class then Weak else Strong)
     |> List.contains Weak