diff --git a/osu.Game/Overlays/Notifications/UserAvatarNotification.cs b/osu.Game/Overlays/Notifications/UserAvatarNotification.cs
index 191d63a76f..8f32c9d395 100644
--- a/osu.Game/Overlays/Notifications/UserAvatarNotification.cs
+++ b/osu.Game/Overlays/Notifications/UserAvatarNotification.cs
@@ -32,7 +32,7 @@ public override LocalisableString Text
 
         private TextFlowContainer? textDrawable;
 
-        private APIUser user;
+        private readonly APIUser user;
 
         public UserAvatarNotification(APIUser user, LocalisableString text)
         {