diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 2909dc8..54be3a5 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -573,6 +573,9 @@
     MBEDTLS_SSL_HANDSHAKE_OVER,
     MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET,
     MBEDTLS_SSL_SERVER_HELLO_VERIFY_REQUEST_SENT,
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+    MBEDTLS_SSL_ENCRYPTED_EXTENSIONS,
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
 }
 mbedtls_ssl_states;