diff --git a/osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs b/osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs
index af97d90e53..ec132237db 100644
--- a/osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs
+++ b/osu.Game.Rulesets.Osu/Difficulty/Skills/OsuStrainSkill.cs
@@ -77,7 +77,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
         /// </summary>
         public double CountDifficultStrains()
         {
-            if (double.IsNaN(Difficulty))
+            if (Difficulty == 0)
                 return 0.0;
 
             double consistentTopStrain = Difficulty / 10; // What would the top strain be if all strain values were identical