diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 82da11f..f261a6a 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -5691,9 +5691,12 @@
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
     mbedtls_free( handshake->verify_cookie );
+#endif /* MBEDTLS_SSL_PROTO_DTLS || MBEDTLS_SSL_PROTO_TLS1_3 */
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
     mbedtls_ssl_flight_free( handshake->flight );
     mbedtls_ssl_buffering_free( ssl );
-#endif /* MBEDTLS_SSL_PROTO_DTLS || MBEDTLS_SSL_PROTO_TLS1_3 */
+#endif /* MBEDTLS_SSL_PROTO_DTLS */
 
 #if defined(MBEDTLS_ECDH_C) &&                  \
     defined(MBEDTLS_USE_PSA_CRYPTO)