diff --git a/osu.Game/Rulesets/Mods/ModAccuracyChallenge.cs b/osu.Game/Rulesets/Mods/ModAccuracyChallenge.cs
index fe12b72d1e..307a9594fe 100644
--- a/osu.Game/Rulesets/Mods/ModAccuracyChallenge.cs
+++ b/osu.Game/Rulesets/Mods/ModAccuracyChallenge.cs
@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Mods
         public BindableNumber<double> MinimumAccuracy { get; } = new BindableDouble
         {
             MinValue = 0.01,
-            MaxValue = 1,
+            MaxValue = 0.99,
             Precision = 0.01,
             Default = 0.9,
             Value = 0.9,