diff --git a/osu.Game.Rulesets.Taiko/Difficulty/Skills/Stamina.cs b/osu.Game.Rulesets.Taiko/Difficulty/Skills/Stamina.cs
index 7d259becb1..f6914039f0 100644
--- a/osu.Game.Rulesets.Taiko/Difficulty/Skills/Stamina.cs
+++ b/osu.Game.Rulesets.Taiko/Difficulty/Skills/Stamina.cs
@@ -18,7 +18,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty.Skills
         private double skillMultiplier => 1.1;
         private double strainDecayBase => 0.4;
 
-        private bool singleColourStamina;
+        private readonly bool singleColourStamina;
 
         private double currentStrain;
 
@@ -40,8 +40,12 @@ namespace osu.Game.Rulesets.Taiko.Difficulty.Skills
             currentStrain *= strainDecay(current.DeltaTime);
             currentStrain += StaminaEvaluator.EvaluateDifficultyOf(current) * skillMultiplier;
 
+            // Safely prevents previous strains from shifting as new notes are added.
+            var currentObject = current as TaikoDifficultyHitObject;
+            int index = currentObject?.Colour.MonoStreak?.HitObjects.IndexOf(currentObject) ?? 0;
+
             if (singleColourStamina)
-                return ((TaikoDifficultyHitObject)current).Colour.MonoStreak?.RunLength >= 16 ? currentStrain : 0;
+                return currentStrain / (1 + Math.Exp(-(index - 10) / 2.0));
 
             return currentStrain;
         }