diff --git a/cpp/render/render_opengles.cpp b/cpp/render/render_opengles.cpp
index 1a51592..f70c972 100644
--- a/cpp/render/render_opengles.cpp
+++ b/cpp/render/render_opengles.cpp
@@ -14,8 +14,8 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "render_opengles.hpp"
-#include "vertex_format_opengles.hpp"
 #include "../display/display_glx.hpp"
+#include "../utils/vertex_format.hpp"
 #include "../utils/cmp_memcpy.hpp"
 #include <cstdlib>
 #include <cstdio>
diff --git a/cpp/render/vertex_format_opengles.hpp b/cpp/utils/vertex_format.hpp
similarity index 99%
rename from cpp/render/vertex_format_opengles.hpp
rename to cpp/utils/vertex_format.hpp
index a484a96..8ccc35e 100644
--- a/cpp/render/vertex_format_opengles.hpp
+++ b/cpp/utils/vertex_format.hpp
@@ -16,7 +16,7 @@
 #ifndef RK_ENGINE_VERTEX_FORMAT_H
 #define RK_ENGINE_VERTEX_FORMAT_H
 
-#include "render_opengles.hpp"
+#include "../render.hpp"
 #include <limits>
 
 namespace rk_vertex {