diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaKeyMod.cs b/osu.Game.Rulesets.Mania/Mods/ManiaKeyMod.cs
index 88d6a19822..8ff131d3c8 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaKeyMod.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaKeyMod.cs
@@ -14,7 +14,7 @@ namespace osu.Game.Rulesets.Mania.Mods
         public override string Acronym => Name;
         public abstract int KeyCount { get; }
         public override ModType Type => ModType.Conversion;
-        public override double ScoreMultiplier => 1; // TODO: Implement the mania key mod score multiplier
+        public override double ScoreMultiplier => 0.9;
         public override bool Ranked => UsesDefaultConfiguration;
 
         public void ApplyToBeatmapConverter(IBeatmapConverter beatmapConverter)