diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 63a433d..f385f5d 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1425,6 +1425,14 @@
 {
     conf->tls13_kex_modes = kex_modes & MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL;
 }
+
+#if defined(MBEDTLS_SSL_EARLY_DATA)
+void mbedtls_ssl_tls13_conf_early_data( mbedtls_ssl_config *conf,
+                                  int early_data_enabled )
+{
+    conf->early_data_enabled = early_data_enabled;
+}
+#endif /* MBEDTLS_SSL_EARLY_DATA */
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)