diff --git a/opengl/tools/glgen2/registry/egl.xml b/opengl/tools/glgen2/registry/egl.xml
index cb49f32..c2d3494 100755
--- a/opengl/tools/glgen2/registry/egl.xml
+++ b/opengl/tools/glgen2/registry/egl.xml
@@ -191,6 +191,7 @@
         <enum value="((EGLSync)0)" name="EGL_NO_SYNC"/>
         <enum value="((EGLSyncKHR)0)" name="EGL_NO_SYNC_KHR" alias="EGL_NO_SYNC"/>
         <enum value="((EGLSyncNV)0)" name="EGL_NO_SYNC_NV" alias="EGL_NO_SYNC"/>
+        <enum value="EGL_CAST(EGLConfig,0)" name="EGL_NO_CONFIG_KHR"/>
         <enum value="10000" name="EGL_DISPLAY_SCALING"/>
         <enum value="0xFFFFFFFFFFFFFFFF" name="EGL_FOREVER" type="ull"/>
         <enum value="0xFFFFFFFFFFFFFFFF" name="EGL_FOREVER_KHR" type="ull" alias="EGL_FOREVER"/>