diff --git a/osu.Game.Rulesets.Osu/OsuDifficulty/Preprocessing/OsuDifficultyBeatmap.cs b/osu.Game.Rulesets.Osu/OsuDifficulty/Preprocessing/OsuDifficultyBeatmap.cs
index 72ba421344..c6ecc3a506 100644
--- a/osu.Game.Rulesets.Osu/OsuDifficulty/Preprocessing/OsuDifficultyBeatmap.cs
+++ b/osu.Game.Rulesets.Osu/OsuDifficulty/Preprocessing/OsuDifficultyBeatmap.cs
@@ -51,6 +51,7 @@ namespace osu.Game.Rulesets.Osu.OsuDifficulty.Preprocessing
 
                     foreach (OsuDifficultyHitObject h in onScreen)
                     {
+                        // ReSharper disable once PossibleNullReferenceException (resharper not smart enough to understand IEnumerator.MoveNext())
                         h.TimeUntilHit -= latest.DeltaTime;
                         // Calculate reading strain here
                     }