diff --git a/opengl/libagl/TextureObjectManager.h b/opengl/libagl/TextureObjectManager.h
index 496e694..279e040 100644
--- a/opengl/libagl/TextureObjectManager.h
+++ b/opengl/libagl/TextureObjectManager.h
@@ -31,6 +31,7 @@
 
 #include <GLES/gl.h>
 #include <EGL/egl.h>
+#include <EGL/eglext.h>
 
 #include "Tokenizer.h"
 #include "TokenManager.h"