diff --git a/osu.Game.Tests/Database/BeatmapImporterTests.cs b/osu.Game.Tests/Database/BeatmapImporterTests.cs
index f9c13a8169..b7bfe14402 100644
--- a/osu.Game.Tests/Database/BeatmapImporterTests.cs
+++ b/osu.Game.Tests/Database/BeatmapImporterTests.cs
@@ -136,6 +136,37 @@ namespace osu.Game.Tests.Database
             });
         }
 
+        [Test]
+        public void TestAddFileToAsyncImportedBeatmap()
+        {
+            RunTestWithRealm((realm, storage) =>
+            {
+                BeatmapSetInfo? detachedSet = null;
+
+                using (var importer = new BeatmapModelManager(realm, storage))
+                using (new RealmRulesetStore(realm, storage))
+                {
+                    Task.Run(async () =>
+                    {
+                        Live<BeatmapSetInfo>? beatmapSet;
+
+                        using (var reader = new ZipArchiveReader(TestResources.GetTestBeatmapStream()))
+                            // ReSharper disable once AccessToDisposedClosure
+                            beatmapSet = await importer.Import(reader);
+
+                        Assert.NotNull(beatmapSet);
+                        Debug.Assert(beatmapSet != null);
+
+                        // Intentionally detach on async thread as to not trigger a refresh on the main thread.
+                        beatmapSet.PerformRead(s => detachedSet = s.Detach());
+                    }).WaitSafely();
+
+                    Debug.Assert(detachedSet != null);
+                    importer.AddFile(detachedSet, new MemoryStream(), "test");
+                }
+            });
+        }
+
         [Test]
         public void TestImportBeatmapThenCleanup()
         {