diff --git a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineTickDisplay.cs b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineTickDisplay.cs
index b565a42c5a..36ee976bf7 100644
--- a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineTickDisplay.cs
+++ b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineTickDisplay.cs
@@ -44,7 +44,7 @@ private void createLines()
             for (var i = 0; i < beatmap.ControlPointInfo.TimingPoints.Count; i++)
             {
                 var point = beatmap.ControlPointInfo.TimingPoints[i];
-                var until = beatmap.ControlPointInfo.TimingPoints.Count > i + 1 ? beatmap.ControlPointInfo.TimingPoints[i + 1].Time : working.Value.Track.Length;
+                var until = i + 1 < beatmap.ControlPointInfo.TimingPoints.Count ? beatmap.ControlPointInfo.TimingPoints[i + 1].Time : working.Value.Track.Length;
 
                 int beat = 0;