diff --git a/ssl/internal.h b/ssl/internal.h
index 7d84312..b3e702b 100644
--- a/ssl/internal.h
+++ b/ssl/internal.h
@@ -1575,7 +1575,8 @@
   ssl_grease_extension2,
   ssl_grease_version,
   ssl_grease_ticket_extension,
-  ssl_grease_last_index = ssl_grease_ticket_extension,
+  ssl_grease_ech_config_id,
+  ssl_grease_last_index = ssl_grease_ech_config_id,
 };
 
 enum tls12_server_hs_state_t {