diff --git a/osu.Game.Rulesets.Osu.Tests/TestSceneLegacyBeatmapSkin.cs b/osu.Game.Rulesets.Osu.Tests/TestSceneLegacyBeatmapSkin.cs
index 4676f14655..c3742601c1 100644
--- a/osu.Game.Rulesets.Osu.Tests/TestSceneLegacyBeatmapSkin.cs
+++ b/osu.Game.Rulesets.Osu.Tests/TestSceneLegacyBeatmapSkin.cs
@@ -63,9 +63,12 @@ namespace osu.Game.Rulesets.Osu.Tests
         private ExposedPlayer loadBeatmap(bool userHasCustomColours, bool beatmapHasColours)
         {
             ExposedPlayer player;
+            OsuScreenStack stack;
 
             Beatmap.Value = new CustomSkinWorkingBeatmap(audio, beatmapHasColours);
-            Child = new OsuScreenStack(player = new ExposedPlayer(userHasCustomColours)) { RelativeSizeAxes = Axes.Both };
+            Child = stack = new OsuScreenStack { RelativeSizeAxes = Axes.Both };
+
+            stack.Push(player = new ExposedPlayer(userHasCustomColours));
 
             return player;
         }
diff --git a/osu.Game/Screens/OsuScreenStack.cs b/osu.Game/Screens/OsuScreenStack.cs
index db577ea5e9..a05933ef0e 100644
--- a/osu.Game/Screens/OsuScreenStack.cs
+++ b/osu.Game/Screens/OsuScreenStack.cs
@@ -13,7 +13,7 @@ namespace osu.Game.Screens
         [Cached]
         private BackgroundScreenStack backgroundScreenStack;
 
-        private ParallaxContainer parallaxContainer;
+        private readonly ParallaxContainer parallaxContainer;
 
         protected float ParallaxAmount => parallaxContainer.ParallaxAmount;