diff --git a/include/SDL_config.h.cmake b/include/SDL_config.h.cmake
index 500e72a2d0..f9a9ab9afa 100644
--- a/include/SDL_config.h.cmake
+++ b/include/SDL_config.h.cmake
@@ -288,6 +288,7 @@
 /* Enable OpenGL support */
 #cmakedefine SDL_VIDEO_OPENGL @SDL_VIDEO_OPENGL@
 #cmakedefine SDL_VIDEO_OPENGL_ES @SDL_VIDEO_OPENGL_ES@
+#cmakedefine SDL_VIDEO_OPENGL_ES2 @SDL_VIDEO_OPENGL_ES2@
 #cmakedefine SDL_VIDEO_OPENGL_BGL @SDL_VIDEO_OPENGL_BGL@
 #cmakedefine SDL_VIDEO_OPENGL_CGL @SDL_VIDEO_OPENGL_CGL@
 #cmakedefine SDL_VIDEO_OPENGL_GLX @SDL_VIDEO_OPENGL_GLX@
diff --git a/include/SDL_config.h.in b/include/SDL_config.h.in
index 7bb12832f6..551c8b3e73 100644
--- a/include/SDL_config.h.in
+++ b/include/SDL_config.h.in
@@ -289,6 +289,7 @@
 /* Enable OpenGL support */
 #undef SDL_VIDEO_OPENGL
 #undef SDL_VIDEO_OPENGL_ES
+#undef SDL_VIDEO_OPENGL_ES2
 #undef SDL_VIDEO_OPENGL_BGL
 #undef SDL_VIDEO_OPENGL_CGL
 #undef SDL_VIDEO_OPENGL_EGL