--- ember-0.7.2/src/components/ogre/World.h.orig	2016-06-06 21:36:18.577010745 +0300
+++ ember-0.7.2/src/components/ogre/World.h	2016-06-07 13:12:05.176490278 +0300
@@ -19,6 +19,8 @@
 #ifndef EMBEROGRE_WORLD_H_
 #define EMBEROGRE_WORLD_H_
 
+#include "GraphicalChangeAdapter.h"
+
 #include "OgreIncludes.h"
 #include <sigc++/signal.h>
 #include <sigc++/trackable.h>