diff --git a/osu.Game/Rulesets/Timing/MultiplierControlPoint.cs b/osu.Game/Rulesets/Timing/MultiplierControlPoint.cs
index 4f1a85cf2d..8b8bbae9d5 100644
--- a/osu.Game/Rulesets/Timing/MultiplierControlPoint.cs
+++ b/osu.Game/Rulesets/Timing/MultiplierControlPoint.cs
@@ -15,7 +15,7 @@ public class MultiplierControlPoint : IJsonSerializable, IComparable<MultiplierC
         /// <summary>
         /// The time in milliseconds at which this <see cref="MultiplierControlPoint"/> starts.
         /// </summary>
-        public readonly double StartTime;
+        public double StartTime;
 
         /// <summary>
         /// The multiplier which this <see cref="MultiplierControlPoint"/> provides.