diff --git a/osu.Game/Database/ArchiveModelManager.cs b/osu.Game/Database/ArchiveModelManager.cs
index e9fe943f15..f4f169f27c 100644
--- a/osu.Game/Database/ArchiveModelManager.cs
+++ b/osu.Game/Database/ArchiveModelManager.cs
@@ -59,7 +59,7 @@ namespace osu.Game.Database
         // ReSharper disable once NotAccessedField.Local (we should keep a reference to this so it is not finalised)
         private ArchiveImportIPCChannel ipc;
 
-        private readonly List<Action> cachedEvents = new List<Action>();
+        private readonly List<Action> queuedEvents = new List<Action>();
 
         /// <summary>
         /// Allows delaying of outwards events until an operation is confirmed (at a database level).
@@ -77,20 +77,26 @@ namespace osu.Game.Database
         /// <param name="perform">Whether the flushed events should be performed.</param>
         private void flushEvents(bool perform)
         {
+            Action[] events;
+            lock (queuedEvents)
+            {
+                events = queuedEvents.ToArray();
+                queuedEvents.Clear();
+            }
+
             if (perform)
             {
-                foreach (var a in cachedEvents)
+                foreach (var a in events)
                     a.Invoke();
             }
 
-            cachedEvents.Clear();
             delayingEvents = false;
         }
 
         private void handleEvent(Action a)
         {
             if (delayingEvents)
-                cachedEvents.Add(a);
+                lock (queuedEvents) queuedEvents.Add(a);
             else
                 a.Invoke();
         }