diff --git a/osu.Game.Tests/Visual/Editing/TestScenePreviewTime.cs b/osu.Game.Tests/Visual/Editing/TestScenePreviewTime.cs
index f95851f646..213eb4b175 100644
--- a/osu.Game.Tests/Visual/Editing/TestScenePreviewTime.cs
+++ b/osu.Game.Tests/Visual/Editing/TestScenePreviewTime.cs
@@ -1,9 +1,12 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.Linq;
 using NUnit.Framework;
+using osu.Framework.Testing;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Osu;
+using osu.Game.Screens.Edit.Components.Timelines.Summary.Parts;
 
 namespace osu.Game.Tests.Visual.Editing
 {
@@ -12,12 +15,21 @@ namespace osu.Game.Tests.Visual.Editing
         protected override Ruleset CreateEditorRuleset() => new OsuRuleset();
 
         [Test]
-        public void TestSetPreviewTimingPoint()
+        public void TestSceneSetPreviewTimingPoint()
         {
             AddStep("seek to 1000", () => EditorClock.Seek(1000));
             AddAssert("time is 1000", () => EditorClock.CurrentTime == 1000);
             AddStep("set current time as preview point", () => Editor.SetCurrectTimeAsPreview());
             AddAssert("preview time is 1000", () => EditorBeatmap.PreviewTime.Value == 1000);
         }
+
+        [Test]
+        public void TestScenePreviewTimeline()
+        {
+            AddStep("set preview time to -1", () => EditorBeatmap.PreviewTime.Value = -1);
+            AddAssert("preview time line should not show", () => Editor.ChildrenOfType<PreviewTimePart>().Single().Alpha == 0);
+            AddStep("set preview time to 1000", () => EditorBeatmap.PreviewTime.Value = 1000);
+            AddAssert("preview time line should show", () => Editor.ChildrenOfType<PreviewTimePart>().Single().Alpha == 1);
+        }
     }
 }
diff --git a/osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/PreviewTimePart.cs b/osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/PreviewTimePart.cs
index a09d93fd5a..6149900fdc 100644
--- a/osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/PreviewTimePart.cs
+++ b/osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/PreviewTimePart.cs
@@ -14,6 +14,10 @@ namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
         {
             base.LoadBeatmap(beatmap);
             Add(new PreviewTimeVisualisation(beatmap.PreviewTime));
+            beatmap.PreviewTime.BindValueChanged(s =>
+            {
+                Alpha = s.NewValue == -1 ? 0 : 1;
+            }, true);
         }
 
         private partial class PreviewTimeVisualisation : PointVisualisation