diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index e80996c..c44aec0 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -2778,7 +2778,7 @@
 #if defined(MBEDTLS_SSL_EARLY_DATA)
     mbedtls_ssl_conf_early_data(&conf, tls13_early_data_enabled);
     if (tls13_early_data_enabled == MBEDTLS_SSL_EARLY_DATA_ENABLED) {
-        mbedtls_ssl_tls13_conf_max_early_data_size(
+        mbedtls_ssl_conf_max_early_data_size(
             &conf, opt.max_early_data_size);
     }
 #endif /* MBEDTLS_SSL_EARLY_DATA */