diff --git a/osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs b/osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs
index cda246132efd..1d2edef6a0bc 100644
--- a/osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs
+++ b/osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs
@@ -385,7 +385,7 @@ private double calculateComboBasedEstimatedMissCount(OsuDifficultyAttributes att
                 double fullComboThreshold = attributes.MaxCombo - countSliderEndsDropped;
 
                 if (scoreMaxCombo < fullComboThreshold)
-                    missCount = fullComboThreshold / Math.Max(1.0, scoreMaxCombo);
+                    missCount = (fullComboThreshold - countSliderTickMiss - countMiss) / Math.Max(1.0, scoreMaxCombo);
 
                 // Combine regular misses with tick misses since tick misses break combo as well
                 missCount = Math.Min(missCount, countSliderTickMiss + countMiss);