diff --git a/Engine/source/scene/sceneObject.h b/Engine/source/scene/sceneObject.h
index 683b51b17..56dc76b2d 100644
--- a/Engine/source/scene/sceneObject.h
+++ b/Engine/source/scene/sceneObject.h
@@ -85,6 +85,7 @@ class SceneObjectLightingPlugin;
 class Convex;
 class LightInfo;
 class SFXAmbience;
+class SceneContainer;
 
 struct ObjectRenderInst;
 struct Move;