diff --git a/osu.Game.Rulesets.Mania/Difficulty/ManiaDifficultyCalculator.cs b/osu.Game.Rulesets.Mania/Difficulty/ManiaDifficultyCalculator.cs
index 0c899372c0..7b4d4b12ed 100644
--- a/osu.Game.Rulesets.Mania/Difficulty/ManiaDifficultyCalculator.cs
+++ b/osu.Game.Rulesets.Mania/Difficulty/ManiaDifficultyCalculator.cs
@@ -39,6 +39,9 @@ namespace osu.Game.Rulesets.Mania.Difficulty
 
         protected override DifficultyAttributes Calculate(IBeatmap beatmap, Mod[] mods, double timeRate)
         {
+            if (!beatmap.HitObjects.Any())
+                return new ManiaDifficultyAttributes(mods, 0);
+
             var difficultyHitObjects = new List<ManiaHitObjectDifficulty>();
 
             int columnCount = ((ManiaBeatmap)beatmap).TotalColumns;
diff --git a/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs b/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
index 4386004e30..62fafd8196 100644
--- a/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
+++ b/osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
@@ -25,6 +25,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 
         protected override DifficultyAttributes Calculate(IBeatmap beatmap, Mod[] mods, double timeRate)
         {
+            if (!beatmap.HitObjects.Any())
+                return new OsuDifficultyAttributes(mods, 0);
+
             OsuDifficultyBeatmap difficultyBeatmap = new OsuDifficultyBeatmap(beatmap.HitObjects.Cast<OsuHitObject>().ToList(), timeRate);
             Skill[] skills =
             {
diff --git a/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs b/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs
index 190717e024..8b527c2c82 100644
--- a/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs
+++ b/osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs
@@ -35,6 +35,9 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
 
         protected override DifficultyAttributes Calculate(IBeatmap beatmap, Mod[] mods, double timeRate)
         {
+            if (!beatmap.HitObjects.Any())
+                return new TaikoDifficultyAttributes(mods, 0);
+
             var difficultyHitObjects = new List<TaikoHitObjectDifficulty>();
 
             foreach (var hitObject in beatmap.HitObjects)