diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index d9b0ec3170..9c9b995955 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -112,7 +112,7 @@ namespace osu.Game.Beatmaps
         /// The new difficulty will be backed by a <see cref="BeatmapInfo"/> model
         /// and represented by the returned <see cref="WorkingBeatmap"/>.
         /// </summary>
-        public WorkingBeatmap CreateNewBlankDifficulty(BeatmapSetInfo beatmapSetInfo, RulesetInfo rulesetInfo)
+        public virtual WorkingBeatmap CreateNewBlankDifficulty(BeatmapSetInfo beatmapSetInfo, RulesetInfo rulesetInfo)
         {
             // fetch one of the existing difficulties to copy timing points and metadata from,
             // so that the user doesn't have to fill all of that out again.
diff --git a/osu.Game/Tests/Visual/EditorTestScene.cs b/osu.Game/Tests/Visual/EditorTestScene.cs
index da13c6862f..331bf04644 100644
--- a/osu.Game/Tests/Visual/EditorTestScene.cs
+++ b/osu.Game/Tests/Visual/EditorTestScene.cs
@@ -136,6 +136,12 @@ namespace osu.Game.Tests.Visual
                 return new TestWorkingBeatmapCache(this, audioManager, resources, storage, defaultBeatmap, host);
             }
 
+            public override WorkingBeatmap CreateNewBlankDifficulty(BeatmapSetInfo beatmapSetInfo, RulesetInfo rulesetInfo)
+            {
+                // don't actually care about properly creating a difficulty for this context.
+                return TestBeatmap;
+            }
+
             private class TestWorkingBeatmapCache : WorkingBeatmapCache
             {
                 private readonly TestBeatmapManager testBeatmapManager;