diff --git a/osu.Game.Tests/NonVisual/FirstAvailableHitWindowTest.cs b/osu.Game.Tests/NonVisual/FirstAvailableHitWindowTest.cs
index 2f1ad194bb..aed2a5c122 100644
--- a/osu.Game.Tests/NonVisual/FirstAvailableHitWindowTest.cs
+++ b/osu.Game.Tests/NonVisual/FirstAvailableHitWindowTest.cs
@@ -18,7 +18,13 @@ namespace osu.Game.Tests.NonVisual
 {
     public class FirstAvailableHitWindowsTest
     {
-        private TestDrawableRuleset testDrawableRuleset = new TestDrawableRuleset();
+        private TestDrawableRuleset testDrawableRuleset;
+
+        [SetUp]
+        public void Setup()
+        {
+            testDrawableRuleset = new TestDrawableRuleset();
+        }
 
         [Test]
         public void TestResultIfOnlyParentHitWindowIsEmpty()