diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index b819bba..1e6f75b 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -645,6 +645,7 @@
 #if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE)
     MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED,
     MBEDTLS_SSL_CLIENT_CCS_BEFORE_2ND_CLIENT_HELLO,
+    MBEDTLS_SSL_CLIENT_CCS_AFTER_CLIENT_HELLO,
 #endif /* MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE */
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 }