diff --git a/source/Irrlicht/OpenGL/ExtensionHandler.h b/source/Irrlicht/OpenGL/ExtensionHandler.h
index 6a289239..a6a7963b 100644
--- a/source/Irrlicht/OpenGL/ExtensionHandler.h
+++ b/source/Irrlicht/OpenGL/ExtensionHandler.h
@@ -11,9 +11,9 @@
 #include "EDriverFeatures.h"
 #include "irrTypes.h"
 #include "os.h"
-#include <mt_opengl.h>
 
 #include "Common.h"
+#include <mt_opengl.h> // must be after Common.h
 
 #include "COGLESCoreExtensionHandler.h"