diff --git a/osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs b/osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
index 6b4f13db35..daf4a0102b 100644
--- a/osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
+++ b/osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs
@@ -183,8 +183,8 @@ namespace osu.Game.Rulesets.Osu.Edit
             point.Y -= origin.Y;
 
             Vector2 ret;
-            ret.X = (float)(point.X * Math.Cos(MathUtils.DegreesToRadians(angle)) + point.Y * Math.Sin(angle / 180f * Math.PI));
-            ret.Y = (float)(point.X * -Math.Sin(MathUtils.DegreesToRadians(angle)) + point.Y * Math.Cos(angle / 180f * Math.PI));
+            ret.X = point.X * MathF.Cos(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Sin(angle / 180f * MathF.PI);
+            ret.Y = point.X * -MathF.Sin(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Cos(angle / 180f * MathF.PI);
 
             ret.X += origin.X;
             ret.Y += origin.Y;