diff --git a/osu.Game/Graphics/Cursor/CursorTrail.cs b/osu.Game/Graphics/Cursor/CursorTrail.cs
index 362a235bca..1c640b64d0 100644
--- a/osu.Game/Graphics/Cursor/CursorTrail.cs
+++ b/osu.Game/Graphics/Cursor/CursorTrail.cs
@@ -39,7 +39,7 @@ namespace osu.Game.Graphics.Cursor
 
         private Vector2? lastPosition;
 
-        private InputResampler resampler = new InputResampler();
+        private readonly InputResampler resampler = new InputResampler();
 
         protected override DrawNode CreateDrawNode() => new TrailDrawNode();