diff --git a/yg/internal/opengl_es.cpp b/yg/internal/opengl_es.cpp
index c83ceee677..91a9d285a2 100644
--- a/yg/internal/opengl_es.cpp
+++ b/yg/internal/opengl_es.cpp
@@ -38,6 +38,7 @@ namespace yg
 
     const GLenum GL_VERTEX_ARRAY_MWM = GL_VERTEX_ARRAY;
     const GLenum GL_TEXTURE_COORD_ARRAY_MWM = GL_TEXTURE_COORD_ARRAY;
+    const GLenum GL_NORMAL_ARRAY_MWM = GL_NORMAL_ARRAY;
 
     void InitializeThread()
     {}
@@ -45,6 +46,11 @@ namespace yg
     void FinalizeThread()
     {}
 
+    void glNormalPointerImpl(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
+    {
+      glNormalPointer(type, stride, pointer);
+    }
+
     void InitExtensions()
     {
       DumpGLInformation();
@@ -55,6 +61,7 @@ namespace yg
 
       glVertexPointerFn = &glVertexPointer;
       glTexCoordPointerFn = &glTexCoordPointer;
+      glNormalPointerFn = &glNormalPointerImpl;
       glEnableClientStateFn = &glEnableClientState;
 
       glMatrixModeFn = &glMatrixMode;