From 1d7b8ea21a88f1eabe104ffd9c8d1c851813c5f1 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 6 Oct 2023 16:51:40 +0900
Subject: [PATCH] Fix incorrect implementation of `IHasCurrentValue` in
 `FooterButtonFreeMods`

---
 osu.Game/Screens/OnlinePlay/FooterButtonFreeMods.cs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Screens/OnlinePlay/FooterButtonFreeMods.cs b/osu.Game/Screens/OnlinePlay/FooterButtonFreeMods.cs
index 3825cf18b9..54cd36d05b 100644
--- a/osu.Game/Screens/OnlinePlay/FooterButtonFreeMods.cs
+++ b/osu.Game/Screens/OnlinePlay/FooterButtonFreeMods.cs
@@ -23,7 +23,18 @@ namespace osu.Game.Screens.OnlinePlay
 {
     public partial class FooterButtonFreeMods : FooterButton, IHasCurrentValue<IReadOnlyList<Mod>>
     {
-        public Bindable<IReadOnlyList<Mod>> Current { get; set; } = new BindableWithCurrent<IReadOnlyList<Mod>>();
+        private readonly BindableWithCurrent<IReadOnlyList<Mod>> current = new BindableWithCurrent<IReadOnlyList<Mod>>(Array.Empty<Mod>());
+
+        public Bindable<IReadOnlyList<Mod>> Current
+        {
+            get => current.Current;
+            set
+            {
+                ArgumentNullException.ThrowIfNull(value);
+
+                current.Current = value;
+            }
+        }
 
         private OsuSpriteText count = null!;