diff --git a/osu.Game/Rulesets/Mods/ModAccuracyChallenge.cs b/osu.Game/Rulesets/Mods/ModAccuracyChallenge.cs
index c951551af5..5c0aa2ad00 100644
--- a/osu.Game/Rulesets/Mods/ModAccuracyChallenge.cs
+++ b/osu.Game/Rulesets/Mods/ModAccuracyChallenge.cs
@@ -37,8 +37,8 @@ namespace osu.Game.Rulesets.Mods
         public BindableNumber<double> MinimumAccuracy { get; } = new BindableDouble
         {
             MinValue = 0.60,
-            MaxValue = 0.99,
-            Precision = 0.01,
+            MaxValue = 0.9999,
+            Precision = 0.0001,
             Default = 0.9,
             Value = 0.9,
         };