diff --git a/osu.Game.Tournament/Components/SongBar.cs b/osu.Game.Tournament/Components/SongBar.cs
index ec021a8d1f..7005c068ae 100644
--- a/osu.Game.Tournament/Components/SongBar.cs
+++ b/osu.Game.Tournament/Components/SongBar.cs
@@ -180,7 +180,7 @@ namespace osu.Game.Tournament.Components
 
             panelContents.Children = new Drawable[]
             {
-                new DiffPiece(("Length", TimeSpan.FromSeconds(length).ToString(@"mm\:ss")))
+                new DiffPiece(("Length", TimeSpan.FromMilliseconds(length).ToString(@"mm\:ss")))
                 {
                     Anchor = Anchor.CentreLeft,
                     Origin = Anchor.BottomLeft,
diff --git a/osu.Game/Beatmaps/BeatmapSetInfo.cs b/osu.Game/Beatmaps/BeatmapSetInfo.cs
index 4075263e12..03bc7c7312 100644
--- a/osu.Game/Beatmaps/BeatmapSetInfo.cs
+++ b/osu.Game/Beatmaps/BeatmapSetInfo.cs
@@ -41,7 +41,7 @@ namespace osu.Game.Beatmaps
         public double MaxStarDifficulty => Beatmaps?.Max(b => b.StarDifficulty) ?? 0;
 
         /// <summary>
-        /// The maximum playable length of all beatmaps in this set.
+        /// The maximum playable length in milliseconds of all beatmaps in this set.
         /// </summary>
         public double MaxLength => Beatmaps?.Max(b => b.Length) ?? 0;
 
diff --git a/osu.Game/Online/API/Requests/Responses/APIBeatmap.cs b/osu.Game/Online/API/Requests/Responses/APIBeatmap.cs
index ff4d240bf0..f50e281dd0 100644
--- a/osu.Game/Online/API/Requests/Responses/APIBeatmap.cs
+++ b/osu.Game/Online/API/Requests/Responses/APIBeatmap.cs
@@ -1,6 +1,7 @@
 // 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;
 using Newtonsoft.Json;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets;
@@ -71,7 +72,7 @@ namespace osu.Game.Online.API.Requests.Responses
                 StarDifficulty = starDifficulty,
                 OnlineBeatmapID = OnlineBeatmapID,
                 Version = version,
-                Length = length,
+                Length = TimeSpan.FromSeconds(length).Milliseconds,
                 Status = Status,
                 BeatmapSet = set,
                 Metrics = metrics,