diff --git a/Source/Editor/Content/Proxy/SceneProxy.cs b/Source/Editor/Content/Proxy/SceneProxy.cs
index a232c672b..d959b524a 100644
--- a/Source/Editor/Content/Proxy/SceneProxy.cs
+++ b/Source/Editor/Content/Proxy/SceneProxy.cs
@@ -73,7 +73,11 @@ namespace FlaxEditor.Content
         /// <inheritdoc />
         public override void OnContentWindowContextMenu(ContextMenu menu, ContentItem item)
         {
-            menu.AddButton("Open additionally", () => { Editor.Instance.Scene.OpenScene(((SceneItem)item).ID, true); });
+            var id = ((SceneItem)item).ID;
+            if (Level.FindScene(id) == null)
+            {
+                menu.AddButton("Open (additive)", () => { Editor.Instance.Scene.OpenScene(id, true); });
+            }
         }
     }
 }
diff --git a/Source/Editor/Windows/SceneTreeWindow.ContextMenu.cs b/Source/Editor/Windows/SceneTreeWindow.ContextMenu.cs
index 8b5318190..0c8e0f283 100644
--- a/Source/Editor/Windows/SceneTreeWindow.ContextMenu.cs
+++ b/Source/Editor/Windows/SceneTreeWindow.ContextMenu.cs
@@ -158,7 +158,7 @@ namespace FlaxEditor.Windows
                 if (unloadedScenes.Count > 0)
                 {
                     contextMenu.AddSeparator();
-                    var childCM = contextMenu.GetOrAddChildMenu("Add Scene");
+                    var childCM = contextMenu.GetOrAddChildMenu("Open Scene");
                     foreach (var sceneGuid in unloadedScenes)
                     {
                         if (FlaxEngine.Content.GetAssetInfo(sceneGuid, out var unloadedScene))
diff --git a/Source/Engine/Level/Level.cpp b/Source/Engine/Level/Level.cpp
index cc91e48ca..41033876d 100644
--- a/Source/Engine/Level/Level.cpp
+++ b/Source/Engine/Level/Level.cpp
@@ -439,7 +439,7 @@ public:
 
     bool Do() const override
     {
-        auto scene = Scripting::FindObject<Scene>(TargetScene);
+        auto scene = Level::FindScene(TargetScene);
         if (!scene)
             return true;
         return unloadScene(scene);