diff --git a/Scellecs.Morpeh/Event.cs b/Scellecs.Morpeh/Event.cs
index 776348c..1f0d494 100644
--- a/Scellecs.Morpeh/Event.cs
+++ b/Scellecs.Morpeh/Event.cs
@@ -106,7 +106,7 @@ internal sealed override void OnFrameEnd()
             {
                 isPublished = true;
                 isScheduled = false;
-                publishedChanges.AddListRange(scheduledChanges);
+				FastListExtensions.AddRange(publishedChanges, scheduledChanges);
                 scheduledChanges.Clear();
 
                 registry.DispatchedEvents.Add(this);
diff --git a/Scellecs.Morpeh/EventWorldPlugin.cs b/Scellecs.Morpeh/EventWorldPlugin.cs
index 3854f36..1918dcc 100644
--- a/Scellecs.Morpeh/EventWorldPlugin.cs
+++ b/Scellecs.Morpeh/EventWorldPlugin.cs
@@ -9,7 +9,7 @@ internal sealed class EventWorldPlugin : IWorldPlugin
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
         public static void RuntimeInitialize()
         {
-            WorldExtensions.AddWorldPlugin(new EventWorldPlugin());
+            WorldPluginsExtensions.AddWorldPlugin(new EventWorldPlugin());
         }
 
         [Preserve]