diff --git a/osu.Game/Overlays/BeatmapSet/Details.cs b/osu.Game/Overlays/BeatmapSet/Details.cs
index d76f6a43db..627f3d04c9 100644
--- a/osu.Game/Overlays/BeatmapSet/Details.cs
+++ b/osu.Game/Overlays/BeatmapSet/Details.cs
@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
-using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -119,7 +118,8 @@ namespace osu.Game.Overlays.BeatmapSet
                     new Box
                     {
                         RelativeSizeAxes = Axes.Both,
-                        Colour = Color4.Black.Opacity(0.5f),
+                        Colour = Color4.Black,
+                        Alpha = 0.5f
                     },
                     content = new Container
                     {