diff --git a/osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs b/osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs
index c41f76f4d6..3b0bfe613d 100644
--- a/osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs
+++ b/osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs
@@ -323,7 +323,7 @@ namespace osu.Game.Beatmaps.Formats
                     int volume = samples.Max(o => o.Volume);
                     int customIndex = samples.Any(o => o is ConvertHitObjectParser.LegacyHitSampleInfo)
                         ? samples.OfType<ConvertHitObjectParser.LegacyHitSampleInfo>().Max(o => o.CustomSampleBank)
-                        : -1;
+                        : 1;
 
                     return new LegacyBeatmapDecoder.LegacySampleControlPoint { Time = time, SampleVolume = volume, CustomSampleBank = customIndex };
                 }